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buyer_tx.go
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buyer_tx.go
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package main
import (
"fmt"
"time"
"github.com/ethereum/go-ethereum/accounts/keystore"
pod_net "github.com/sec-bit/zkPoD-node/net"
)
func converAddr(address string) [40]uint8 {
var uAddr [40]uint8
if len(address) < 40 {
return uAddr
}
var addrByte = []byte(address[len(address)-40:])
for i, b := range addrByte {
uAddr[i] = b
}
return uAddr
}
func calcuDCnt(demands []Demand) int64 {
var count int64 = 0
for _, d := range demands {
count += int64(d.DemandCount)
}
return count
}
func calcuPCnt(phantoms []Phantom) int64 {
var count int64 = 0
for _, p := range phantoms {
count += int64(p.PhantomCount)
}
return count
}
// BobTransaction shows the transaction data for Bob.
type BobTransaction struct {
SessionID string `json:"sessionId"`
Status string `json:"status"`
AliceIP string `json:"AliceIp"`
AliceAddr string `json:"AliceAddr"`
BobAddr string `json:"BobAddr"`
Mode string `json:"mode"`
SubMode string `json:"sub_mode"`
OT bool `json:"ot"`
Bulletin Bulletin `json:"bulletin"`
Price int64 `json:"price" xorm:"INTEGER"`
UnitPrice int64 `json:"unit_price"`
Count int64 `json:"count"`
ExpireAt int64 `json:"expireAt" xorm:"INTEGER"`
PlainComplaint PoDBobPC `json:"PlainComplaint"`
PlainOTComplaint PoDBobPOC `json:"PlainOTComplaint"`
PlainAtomicSwap PoDBobPAS `json:"PlainAtomicSwap"`
PlainAtomicSwapVc PoDBobPASVC `json:"PlainAtomicSwapVc"`
TableComplaint PoDBobTC `json:"TableComplaint"`
TableOTComplaint PoDBobTOC `json:"TableOTComplaint"`
TableAtomicSwap PoDBobTAS `json:"TableAtomicSwap"`
TableAtomicSwapVc PoDBobTASVC `json:"TableAtomicSwapVc"`
TableVRF PoDBobTQ `json:"tablevrf"`
TableOTVRF PoDBobTOQ `json:"tableOTvrf"`
}
// BobTxForPC executes transaction for Bob while mode is plain_complaint.
//
// step1: prepare session,
// step2: create transaction request,
// step3: receive transaction response,
// step4: create transaction receipt,
// step5: read,save and verify secret from contract,
// step6: claim to contract or decrypt data.
//
// return: response string for api request.
func BobTxForPC(node *pod_net.Node, key *keystore.Key, tx BobTransaction, demands []Demand, bulletinFile string, publicPath string, Log ILogger) string {
dir := BConf.BobDir + "/transaction/" + tx.SessionID
// bulletinFile := dir + "/bulletin"
// publicPath := dir + "/public"
requestFile := dir + "/request"
responseFile := dir + "/response"
receiptFile := dir + "/receipt"
secretFile := dir + "/secret"
outputFile := dir + "/output"
claimFile := dir + "/claim"
defer func() {
err := updateBobTxToDB(tx)
if err != nil {
Log.Warnf("[%v]failed to update transaction to db for Bob. err=%v", tx.SessionID, err)
return
}
delete(BobTxMap, tx.SessionID)
}()
Log.Debugf("[%v]step1: prepare for pod's session...", tx.SessionID)
var err error
tx.PlainComplaint, err = BobNewSessForPC(demands, bulletinFile, publicPath, converAddr(tx.AliceAddr), converAddr(tx.BobAddr), Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_START_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step1: failed to create session for Bob. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step1: failed to purchase data.")
}
defer func() {
tx.PlainComplaint.BobSession.Free()
}()
Log.Debugf("[%v]step1: finish preparing for Bob's session...", tx.SessionID)
Log.Debugf("[%v]step2: start create and send request to Alice...", tx.SessionID)
err = tx.PlainComplaint.BobNewReq(requestFile, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_INVALID_REQUEST
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step2: failed to create request. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step2: failed to purchase data.")
}
Log.Debugf("[%v]step2: finish create request to Alice...", tx.SessionID)
err = BobSendPODReq(node, requestFile)
if err != nil {
tx.Status = TRANSACTION_STATUS_RECEIVED_REQUEST_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step2: failed to send transaction request to Alice. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step2: failed to purchase data.")
}
tx.Status = TRANSACTION_STATUS_RECEIVED_REQUEST
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step2: finish send request to Alice...", tx.SessionID)
Log.Debugf("[%v]step3: start receive and verify response from Alice...", tx.SessionID)
err = BobRcvPODResp(node, responseFile)
if err != nil {
tx.Status = TRANSACTION_STATUS_SEND_RESPONSE_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step3: failed to receive transaction response from Alice. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step3: failed to purchase data.")
}
Log.Debugf("[%v]step3: finish receive response from Alice...", tx.SessionID)
rs := tx.PlainComplaint.BobVerifyResp(responseFile, receiptFile, Log)
if !rs {
tx.Status = TRANSACTION_STATUS_SEND_RESPONSE_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step3: verify response failed...", tx.SessionID)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step3: failed to purchase data.")
}
tx.Status = TRANSACTION_STATUS_RECEIVED_RESPONSE
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step3: finish verify response...", tx.SessionID)
Log.Debugf("[%v]step4: start read, sign and send receipt to Alice...", tx.SessionID)
receiptByte, receipt, err := readReceiptForComplaint(receiptFile, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_RECEIVED_RECEIPT_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step4: failed to read receipt for mode complaint. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step4: failed to purchase data.")
}
Log.Debugf("[%v]step4: finish read receipt...", tx.SessionID)
tx.Price = tx.UnitPrice * tx.Count
tx.ExpireAt = time.Now().Unix() + 36000
sign, err := signRecptForComplaint(key, tx.AliceAddr, tx.SessionID, receipt, tx.Price, tx.ExpireAt, tx.Bulletin, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_RECEIVED_RECEIPT_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step4: failed to generate signature. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step4: failed to purchase data.")
}
Log.Debugf("[%v]step4: finish generate signature...", tx.SessionID)
err = BobSendPODRecpt(node, tx.Price, tx.ExpireAt, receiptByte, sign)
if err != nil {
tx.Status = TRANSACTION_STATUS_RECEIVED_RECEIPT_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step4: failed to send transaction receipt to Alice. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step4: failed to purchase data.")
}
tx.Status = TRANSACTION_STATUS_RECEIPT
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step4: finish send recipt to Alice...", tx.SessionID)
Log.Debugf("[%v]step5: start read, save and verify secret from contract...", tx.SessionID)
secret, err := readScrtForComplaint(tx.SessionID, tx.AliceAddr, tx.BobAddr, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_GOT_SECRET_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step5: failed to read secret from contract. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step5: failed to purchase data.")
}
Log.Debugf("[%v]step5: finish read secret from contract...", tx.SessionID)
err = BobSaveSecretForComplaint(secret, secretFile, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_GOT_SECRET_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step5: failed to save secret for Bob. err=%v", tx.SessionID)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step5: failed to purchase data.")
}
tx.Status = TRANSACTION_STATUS_GOT_SECRET
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step5: finish save secret...", tx.SessionID)
rs = tx.PlainComplaint.BobVerifySecret(secretFile, Log)
Log.Debugf("[%v]step5: finish verify secret.result=%v", tx.SessionID, rs)
if !rs {
tx.Status = TRANSACTION_STATUS_VERIFY_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step6: start claim from contract...", tx.SessionID)
rs = tx.PlainComplaint.BobGeneClaim(claimFile, Log)
if !rs {
tx.Status = TRANSACTION_STATUS_SEND_CLIAM_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step6: failed to generate claim.")
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step6: failed to purchase data.")
}
Log.Debugf("[%v]finish generate claim...", tx.SessionID)
txid, err := claimToContractForComplaint(tx.SessionID, tx.Bulletin, claimFile, tx.AliceAddr, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_SEND_CLIAM_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step6: failed to send claim to contract. err=%v", err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step6: failed to purchase data.")
}
tx.Status = TRANSACTION_STATUS_SEND_CLIAM
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step6: finish claim to contract...txid=%v", tx.SessionID, txid)
} else {
Log.Debugf("[%v]step6: start decrypt file...", tx.SessionID)
rs = tx.PlainComplaint.BobDecrypt(outputFile, Log)
if !rs {
tx.Status = TRANSACTION_STATUS_DECRYPT_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step6: failed to decrypt File.", tx.SessionID)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step6: failed to purchase data.")
}
tx.Status = TRANSACTION_STATUS_CLOSED
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step6: decrypt file successfully, path=%v", tx.SessionID, outputFile)
}
Log.Debugf("[%v]step6: purchase finish...", tx.SessionID)
return fmt.Sprintf(RESPONSE_SUCCESS, "purchase data successfully. sessionID="+tx.SessionID)
}
// BobTxForPOC executes transaction for Bob while mode is plain_ot_complaint.
//
// step1: prepare session,
// step2: exchage keys with Alice,
// step3: create transaction request,
// step4: receive transaction response,
// step5: create transaction receipt,
// step6: read,save and verify secret from contract,
// step7: claim to contract or decrypt data.
//
// return: response string for api request.
func BobTxForPOC(node *pod_net.Node, key *keystore.Key, tx BobTransaction, demands []Demand, phantoms []Phantom, bulletinFile string, publicPath string, Log ILogger) string {
dir := BConf.BobDir + "/transaction/" + tx.SessionID
// bulletinFile := dir + "/bulletin"
// publicFile := dir + "/public"
requestFile := dir + "/request"
responseFile := dir + "/response"
receiptFile := dir + "/receipt"
secretFile := dir + "/secret"
outputFile := dir + "/output"
claimFile := dir + "/claim"
BobNegoRequestFile := dir + "/Bob_nego_request"
BobNegoResponseFile := dir + "/Bob_nego_response"
AliceNegoRequestFile := dir + "/Alice_nego_request"
AliceNegoResponseFile := dir + "/Alice_nego_response"
defer func() {
err := updateBobTxToDB(tx)
if err != nil {
Log.Warnf("[%v]failed to update transaction to db for Bob. err=%v", tx.SessionID, err)
return
}
delete(BobTxMap, tx.SessionID)
}()
Log.Debugf("[%v]step1: prepare for Bob's session...", tx.SessionID)
var err error
tx.PlainOTComplaint, err = BobNewSessForPOC(demands, phantoms, bulletinFile, publicPath, converAddr(tx.AliceAddr), converAddr(tx.BobAddr), Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_START_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step1: Failed to create session for Bob. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step1: failed to purchase data.")
}
defer func() {
tx.PlainOTComplaint.BobSession.Free()
}()
Log.Debugf("[%v]step1: finish prepare for Bob's session...", tx.SessionID)
Log.Debugf("[%v]step2: start exchage key with Alice...", tx.SessionID)
rs := tx.PlainOTComplaint.BobGeneNegoReq(BobNegoRequestFile, Log)
if !rs {
tx.Status = TRANSACTION_STATUS_NEGO_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step2: failed to generate nego request", tx.SessionID)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step2: failed to purchase data.")
}
Log.Debugf("[%v]step2: success to generate nego request data.", tx.SessionID)
err = BobSendNegoReq(node, BobNegoRequestFile)
if err != nil {
tx.Status = TRANSACTION_STATUS_NEGO_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step2: failed to send transaction nego request to Alice. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step2: failed to purchase data.")
}
Log.Debugf("[%v]step2: success to send nego request data.", tx.SessionID)
err = BobRcvNegoResp(node, AliceNegoResponseFile, AliceNegoRequestFile)
if err != nil {
tx.Status = TRANSACTION_STATUS_NEGO_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step2: failed to receive transaction nego response for Bob. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step2: failed to purchase data.")
}
Log.Debugf("[%v]step2: success to receive nego response and request data.", tx.SessionID)
rs = tx.PlainOTComplaint.BobDealNegoResp(AliceNegoResponseFile, Log)
if !rs {
tx.Status = TRANSACTION_STATUS_NEGO_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step2: failed to deal with nego response", tx.SessionID)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step2: failed to purchase data.")
}
Log.Debugf("[%v]step2: success to deal with nego response.", tx.SessionID)
rs = tx.PlainOTComplaint.BobGeneNegoResp(AliceNegoRequestFile, BobNegoResponseFile, Log)
if !rs {
tx.Status = TRANSACTION_STATUS_NEGO_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step2: failed to generate nego response.", tx.SessionID)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step2: failed to purchase data.")
}
Log.Debugf("[%v]step2: success to generate nego response.", tx.SessionID)
err = BobSendNegoResp(node, BobNegoResponseFile)
if err != nil {
tx.Status = TRANSACTION_STATUS_NEGO_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step2: failed to send nego response to Alice. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step2: failed to purchase data.")
}
Log.Debugf("[%v]step2: success to send nego response data.", tx.SessionID)
tx.Status = TRANSACTION_STATUS_NEGO
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step2: finish exchage key with Alice...", tx.SessionID)
Log.Debugf("[%v]step3: start create and send transaction request to Alice...", tx.SessionID)
err = tx.PlainOTComplaint.BobNewReq(requestFile, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_INVALID_REQUEST
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step3: failed to create transaction request", tx.SessionID)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step3: failed to purchase data.")
}
Log.Debugf("[%v]step3: finish create transaction request...", tx.SessionID)
err = BobSendPODReq(node, requestFile)
if err != nil {
tx.Status = TRANSACTION_STATUS_RECEIVED_REQUEST_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step3: failed to send transaction request data to Alice. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step3: failed to purchase data.")
}
tx.Status = TRANSACTION_STATUS_RECEIVED_REQUEST
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step3: finish send transaction request to Alice...", tx.SessionID)
Log.Debugf("[%v]step4: start receive and verify transaction response from Alice...", tx.SessionID)
err = BobRcvPODResp(node, responseFile)
if err != nil {
tx.Status = TRANSACTION_STATUS_SEND_RESPONSE_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step4: failed to receive transaction response from Alice. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step4: failed to purchase data.")
}
Log.Debugf("[%v]step4: finish receive transaction response from Alice...", tx.SessionID)
rs = tx.PlainOTComplaint.BobVerifyResp(responseFile, receiptFile, Log)
if !rs {
tx.Status = TRANSACTION_STATUS_SEND_RESPONSE_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step4: verify transaction response failed...", tx.SessionID)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step4: failed to purchase data.")
}
tx.Status = TRANSACTION_STATUS_RECEIVED_RESPONSE
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step4: finish verify transaction response...", tx.SessionID)
Log.Debugf("[%v]step5: start read, sign and send receipt to Alice...", tx.SessionID)
receiptByte, receipt, err := readReceiptForComplaint(receiptFile, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_RECEIVED_RECEIPT_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step5: failed to read receipt. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step5: failed to purchase data.")
}
Log.Debugf("[%v]step5: finish read receipt...", tx.SessionID)
tx.Price = tx.UnitPrice * tx.Count
tx.ExpireAt = time.Now().Unix() + 36000
sign, err := signRecptForComplaint(key, tx.AliceAddr, tx.SessionID, receipt, tx.Price, tx.ExpireAt, tx.Bulletin, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_RECEIVED_RECEIPT_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step5: failed to generate signature. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step5: failed to purchase data.")
}
Log.Debugf("[%v]step5: finish generate signature for receipt...", tx.SessionID)
err = BobSendPODRecpt(node, tx.Price, tx.ExpireAt, receiptByte, sign)
if err != nil {
tx.Status = TRANSACTION_STATUS_RECEIVED_RECEIPT_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step5: failed to send receipt to Alice. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step5: failed to purchase data.")
}
tx.Status = TRANSACTION_STATUS_RECEIPT
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step5: finish send recipt to Alice...", tx.SessionID)
Log.Debugf("[%v]step6: start read, save and verify secret from contract...", tx.SessionID)
secret, err := readScrtForComplaint(tx.SessionID, tx.AliceAddr, tx.BobAddr, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_GOT_SECRET_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step6: failed to read secret from contract. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step6: failed to purchase data.")
}
Log.Debugf("[%v]step6: finish read secret from contract...", tx.SessionID)
err = BobSaveSecretForComplaint(secret, secretFile, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_GOT_SECRET_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step6: failed to save secret for Bob. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step6: failed to purchase data.")
}
Log.Debugf("[%v]step6: finish save secret...", tx.SessionID)
rs = tx.PlainOTComplaint.BobVerifySecret(secretFile, Log)
Log.Debugf("[%v]step6: finish verify secret, result=%v", tx.SessionID, rs)
tx.Status = TRANSACTION_STATUS_GOT_SECRET
BobTxMap[tx.SessionID] = tx
if !rs {
tx.Status = TRANSACTION_STATUS_VERIFY_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step7: start claim to contract...", tx.SessionID)
rs = tx.PlainOTComplaint.BobGeneClaim(claimFile, Log)
if !rs {
tx.Status = TRANSACTION_STATUS_SEND_CLIAM_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step7: failed to generate claim.", tx.SessionID)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step7: failed to purchase data.")
}
Log.Debugf("[%v]step7: finish generate claim...", tx.SessionID)
txid, err := claimToContractForComplaint(tx.SessionID, tx.Bulletin, claimFile, tx.AliceAddr, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_SEND_CLIAM_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step7: Failed to read secret from contract. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step7: failed to purchase data.")
}
tx.Status = TRANSACTION_STATUS_SEND_CLIAM
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step7: finish send claim to contract...txid=%v", tx.SessionID, txid)
} else {
Log.Debugf("[%v]step7: start decrypt data...", tx.SessionID)
rs = tx.PlainOTComplaint.BobDecrypt(outputFile, Log)
if !rs {
tx.Status = TRANSACTION_STATUS_DECRYPT_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step7: failed to decrypt data.")
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step7: failed to purchase data.")
}
tx.Status = TRANSACTION_STATUS_CLOSED
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step7: decrypt file successfully, path=%v", tx.SessionID, outputFile)
}
Log.Debugf("[%v]purchase finish...", tx.SessionID)
return fmt.Sprintf(RESPONSE_SUCCESS, "purchase data successfully. sessionID="+tx.SessionID)
}
// BobTxForPAS executes transaction for Bob while mode is plain_atomic_swap.
//
// step1: prepare session,
// step2: create transaction request,
// step3: receive transaction response,
// step4: create transaction receipt,
// step5: read,save and verify secret from contract,
// step6: decrypt data.
//
// return: response string for api request.
func BobTxForPAS(node *pod_net.Node, key *keystore.Key, tx BobTransaction, demands []Demand, bulletinFile string, publicPath string, Log ILogger) string {
dir := BConf.BobDir + "/transaction/" + tx.SessionID
// bulletinFile := dir + "/bulletin"
// publicPath := dir + "/public"
requestFile := dir + "/request"
responseFile := dir + "/response"
receiptFile := dir + "/receipt"
secretFile := dir + "/secret"
outputFile := dir + "/output"
defer func() {
err := updateBobTxToDB(tx)
if err != nil {
Log.Warnf("[%v]failed to update transaction to db for Bob. err=%v", tx.SessionID, err)
return
}
delete(BobTxMap, tx.SessionID)
}()
Log.Debugf("[%v]step1: prepare for Bob's session...", tx.SessionID)
var err error
tx.PlainAtomicSwap, err = BobNewSessForPAS(demands, bulletinFile, publicPath, converAddr(tx.AliceAddr), converAddr(tx.BobAddr), Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_START_FAILED
Log.Warnf("[%v]step1: failed to create session for Bob. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step1: failed to purchase data.")
}
defer func() {
tx.PlainAtomicSwap.BobSession.Free()
}()
Log.Debugf("[%v]step1: finish preparing for Bob's session...", tx.SessionID)
Log.Debugf("[%v]step2: start create and send transaction request to Alice...", tx.SessionID)
err = tx.PlainAtomicSwap.BobNewReq(requestFile, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_INVALID_REQUEST
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step2: failed to create transaction request. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step2: failed to purchase data.")
}
Log.Debugf("[%v]step2: finish create transaction request...", tx.SessionID)
err = BobSendPODReq(node, requestFile)
if err != nil {
tx.Status = TRANSACTION_STATUS_RECEIVED_REQUEST_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step2: failed to send transaction request to Alice. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step2: failed to purchase data.")
}
Log.Debugf("[%v]step2: finish send transaction request to Alice...", tx.SessionID)
tx.Status = TRANSACTION_STATUS_RECEIVED_REQUEST
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step3: start receive and verify transaction response from Alice...", tx.SessionID)
err = BobRcvPODResp(node, responseFile)
if err != nil {
tx.Status = TRANSACTION_STATUS_SEND_RESPONSE_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("failed to receive transaction response from Alice. err=%v", err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step3: failed to purchase data.")
}
Log.Debugf("[%v]step3: finish receive response from Alice...", tx.SessionID)
rs := tx.PlainAtomicSwap.BobVerifyResp(responseFile, receiptFile, Log)
if !rs {
tx.Status = TRANSACTION_STATUS_SEND_RESPONSE_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("failed to verify response and generate receipt. ")
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step3: failed to purchase data.")
}
tx.Status = TRANSACTION_STATUS_RECEIVED_RESPONSE
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step3: finish verify response from Alice...", tx.SessionID)
Log.Debugf("[%v]step4: start read, send and verify receipt to Alice...", tx.SessionID)
receiptByte, receipt, err := readReceiptForAtomicSwap(receiptFile, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_RECEIVED_RECEIPT_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step4: failed to read receipt. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step4: failed to purchase data.")
}
Log.Debugf("[%v]step4: finish read receipt...", tx.SessionID)
tx.Price = tx.UnitPrice * tx.Count
tx.ExpireAt = time.Now().Unix() + 36000
sign, err := signRecptForAtomicSwap(key, tx.AliceAddr, tx.SessionID, receipt, tx.Price, tx.ExpireAt, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_RECEIVED_RECEIPT_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step4: failed to generate signature. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step4: failed to purchase data.")
}
Log.Debugf("[%v]step4: finish generate signature for receipt...", tx.SessionID)
err = BobSendPODRecpt(node, tx.Price, tx.ExpireAt, receiptByte, sign)
if err != nil {
tx.Status = TRANSACTION_STATUS_RECEIVED_RECEIPT_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step4: failed to send transaction receipt to Alice. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step4: failed to purchase data.")
}
tx.Status = TRANSACTION_STATUS_RECEIPT
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step4: finish send receipt to Alice...", tx.SessionID)
Log.Debugf("[%v]step5: start read, save and verify secret from contract...", tx.SessionID)
secret, err := readScrtForAtomicSwap(tx.SessionID, tx.AliceAddr, tx.BobAddr, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_SEND_SECRET_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step5: failed to read secret from contract. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step5: failed to purchase data.")
}
Log.Debugf("[%v]step5: finish read secret from contract...", tx.SessionID)
err = BobSaveSecretForAtomicSwap(secret, secretFile, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_SEND_SECRET_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step5: failed to save secret for Bob. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step5: failed to purchase data.")
}
Log.Debugf("[%v]step5: finish save secret...", tx.SessionID)
rs = tx.PlainAtomicSwap.BobVerifySecret(secretFile, Log)
Log.Debugf("[%v]step5: finish verify secret...result=%v", tx.SessionID, rs)
tx.Status = TRANSACTION_STATUS_GOT_SECRET
BobTxMap[tx.SessionID] = tx
if !rs {
Log.Warnf("purchase failed.")
tx.Status = TRANSACTION_STATUS_VERIFY_FAILED
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step1: failed to purchase data.")
} else {
Log.Debugf("[%v]step6: start decrypt data...", tx.SessionID)
rs = tx.PlainAtomicSwap.BobDecrypt(outputFile, Log)
if !rs {
tx.Status = TRANSACTION_STATUS_DECRYPT_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step6: failed to decrypt file.", tx.SessionID)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step6: failed to purchase data.")
}
tx.Status = TRANSACTION_STATUS_CLOSED
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step6: decrypt file successfully, path=%v", tx.SessionID, outputFile)
}
Log.Debugf("[%v]purchase finish...", tx.SessionID)
return fmt.Sprintf(RESPONSE_SUCCESS, "purchase data successfully. sessionID="+tx.SessionID)
}
// BobTxForPASVC executes transaction for Bob while mode is plain_atomic_swap.
//
// step1: prepare session,
// step2: create transaction request,
// step3: receive transaction response,
// step4: create transaction receipt,
// step5: read,save and verify secret from contract,
// step6: decrypt data.
//
// return: response string for api request.
func BobTxForPASVC(node *pod_net.Node, key *keystore.Key, tx BobTransaction, demands []Demand, bulletinFile string, publicPath string, Log ILogger) string {
dir := BConf.BobDir + "/transaction/" + tx.SessionID
// bulletinFile := dir + "/bulletin"
// publicPath := dir + "/public"
requestFile := dir + "/request"
responseFile := dir + "/response"
receiptFile := dir + "/receipt"
secretFile := dir + "/secret"
outputFile := dir + "/output"
defer func() {
err := updateBobTxToDB(tx)
if err != nil {
Log.Warnf("[%v]failed to update transaction to db for Bob. err=%v", tx.SessionID, err)
return
}
delete(BobTxMap, tx.SessionID)
}()
Log.Debugf("[%v]step1: prepare for Bob's session...", tx.SessionID)
var err error
tx.PlainAtomicSwapVc, err = BobNewSessForPASVC(demands, bulletinFile, publicPath, converAddr(tx.AliceAddr), converAddr(tx.BobAddr), Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_START_FAILED
Log.Warnf("[%v]step1: failed to create session for Bob. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step1: failed to purchase data.")
}
defer func() {
tx.PlainAtomicSwapVc.BobSession.Free()
}()
Log.Debugf("[%v]step1: finish preparing for Bob's session...", tx.SessionID)
Log.Debugf("[%v]step2: start create and send transaction request to Alice...", tx.SessionID)
err = tx.PlainAtomicSwapVc.BobNewReq(requestFile, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_INVALID_REQUEST
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step2: failed to create transaction request. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step2: failed to purchase data.")
}
Log.Debugf("[%v]step2: finish create transaction request...", tx.SessionID)
err = BobSendPODReq(node, requestFile)
if err != nil {
tx.Status = TRANSACTION_STATUS_RECEIVED_REQUEST_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step2: failed to send transaction request to Alice. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step2: failed to purchase data.")
}
Log.Debugf("[%v]step2: finish send transaction request to Alice...", tx.SessionID)
tx.Status = TRANSACTION_STATUS_RECEIVED_REQUEST
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step3: start receive and verify transaction response from Alice...", tx.SessionID)
err = BobRcvPODResp(node, responseFile)
if err != nil {
tx.Status = TRANSACTION_STATUS_SEND_RESPONSE_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("failed to receive transaction response from Alice. err=%v", err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step3: failed to purchase data.")
}
Log.Debugf("[%v]step3: finish receive response from Alice...", tx.SessionID)
rs := tx.PlainAtomicSwapVc.BobVerifyResp(responseFile, receiptFile, Log)
if !rs {
tx.Status = TRANSACTION_STATUS_SEND_RESPONSE_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("failed to verify response and generate receipt. ")
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step3: failed to purchase data.")
}
tx.Status = TRANSACTION_STATUS_RECEIVED_RESPONSE
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step3: finish verify response from Alice...", tx.SessionID)
Log.Debugf("[%v]step4: start read, send and verify receipt to Alice...", tx.SessionID)
receiptByte, receipt, err := readReceiptForAtomicSwapVc(receiptFile, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_RECEIVED_RECEIPT_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step4: failed to read receipt. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step4: failed to purchase data.")
}
Log.Debugf("[%v]step4: finish read receipt...", tx.SessionID)
tx.Price = tx.UnitPrice * tx.Count
tx.ExpireAt = time.Now().Unix() + 36000
sign, err := signRecptForAtomicSwapVc(key, tx.AliceAddr, tx.SessionID, receipt, tx.Price, tx.ExpireAt, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_RECEIVED_RECEIPT_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step4: failed to generate signature. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step4: failed to purchase data.")
}
Log.Debugf("[%v]step4: finish generate signature for receipt...", tx.SessionID)
err = BobSendPODRecpt(node, tx.Price, tx.ExpireAt, receiptByte, sign)
if err != nil {
tx.Status = TRANSACTION_STATUS_RECEIVED_RECEIPT_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step4: failed to send transaction receipt to Alice. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step4: failed to purchase data.")
}
tx.Status = TRANSACTION_STATUS_RECEIPT
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step4: finish send receipt to Alice...", tx.SessionID)
Log.Debugf("[%v]step5: start read, save and verify secret from contract...", tx.SessionID)
secret, err := readScrtForAtomicSwapVc(tx.SessionID, tx.AliceAddr, tx.BobAddr, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_SEND_SECRET_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step5: failed to read secret from contract. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step5: failed to purchase data.")
}
Log.Debugf("[%v]step5: finish read secret from contract...", tx.SessionID)
err = BobSaveSecretForAtomicSwapVc(secret, secretFile, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_SEND_SECRET_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step5: failed to save secret for Bob. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step5: failed to purchase data.")
}
Log.Debugf("[%v]step5: finish save secret...", tx.SessionID)
rs = tx.PlainAtomicSwapVc.BobVerifySecret(secretFile, Log)
Log.Debugf("[%v]step5: finish verify secret...result=%v", tx.SessionID, rs)
tx.Status = TRANSACTION_STATUS_GOT_SECRET
BobTxMap[tx.SessionID] = tx
if !rs {
Log.Warnf("purchase failed.")
tx.Status = TRANSACTION_STATUS_VERIFY_FAILED
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step1: failed to purchase data.")
} else {
Log.Debugf("[%v]step6: start decrypt data...", tx.SessionID)
rs = tx.PlainAtomicSwapVc.BobDecrypt(outputFile, Log)
if !rs {
tx.Status = TRANSACTION_STATUS_DECRYPT_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step6: failed to decrypt file.", tx.SessionID)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step6: failed to purchase data.")
}
tx.Status = TRANSACTION_STATUS_CLOSED
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step6: decrypt file successfully, path=%v", tx.SessionID, outputFile)
}
Log.Debugf("[%v]purchase finish...", tx.SessionID)
return fmt.Sprintf(RESPONSE_SUCCESS, "purchase data successfully. sessionID="+tx.SessionID)
}
// BobTxForTC executes transaction for Bob while mode is table_complaint.
//
// step1: prepare session,
// step2: create transaction request,
// step3: receive transaction response,
// step4: create transaction receipt,
// step5: read,save and verify secret from contract,
// step6: claim to contract or decrypt data.
//
// return: response string for api request.
func BobTxForTC(node *pod_net.Node, key *keystore.Key, tx BobTransaction, demands []Demand, bulletinFile string, publicPath string, Log ILogger) string {
dir := BConf.BobDir + "/transaction/" + tx.SessionID
// bulletinFile := dir + "/bulletin"
// publicFile := dir + "/public"
requestFile := dir + "/request"
responseFile := dir + "/response"
receiptFile := dir + "/receipt"
secretFile := dir + "/secret"
outputFile := dir + "/output"
claimFile := dir + "/claim"
defer func() {
err := updateBobTxToDB(tx)
if err != nil {
Log.Warnf("[%v]failed to update transaction to db for Bob. err=%v", tx.SessionID, err)
return
}
delete(BobTxMap, tx.SessionID)
}()
Log.Debugf("[%v]step1: prepare for Bob's session...", tx.SessionID)
var err error
tx.TableComplaint, err = BobNewSessForTC(demands, bulletinFile, publicPath, converAddr(tx.AliceAddr), converAddr(tx.BobAddr), Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_START_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step1: failed to create session for Bob. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step1: failed to purchase data.")
}
defer func() {
tx.TableComplaint.BobSession.Free()
}()
Log.Debugf("[%v]step1: finish prepare for Bob's session...", tx.SessionID)
Log.Debugf("[%v]step2: start create and send transaction request to Alice...", tx.SessionID)
err = tx.TableComplaint.BobNewReq(requestFile, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_INVALID_REQUEST
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step2: failed to create transaction request", tx.SessionID)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step2: failed to purchase data.")
}
Log.Debugf("[%v]step2: finish create transaction request to Alice...", tx.SessionID)
err = BobSendPODReq(node, requestFile)
if err != nil {
tx.Status = TRANSACTION_STATUS_RECEIVED_REQUEST_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step2: failed to send transaction request data to Alice. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step2: failed to purchase data.")
}
Log.Debugf("[%v]step2: finish send transaction request to Alice...", tx.SessionID)
Log.Debugf("[%v]step3: start receive transaction response from Alice...", tx.SessionID)
err = BobRcvPODResp(node, responseFile)
if err != nil {
tx.Status = TRANSACTION_STATUS_SEND_RESPONSE_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step3: failed to receive transaction response from Alice. err=%v", err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step3: failed to purchase data.")
}
Log.Debugf("[%v]step3: finish receive transaction response from Alice...", tx.SessionID)
rs := tx.TableComplaint.BobVerifyResp(responseFile, receiptFile, Log)
if !rs {
tx.Status = TRANSACTION_STATUS_SEND_RESPONSE_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step3: failed to verify transaction response...", tx.SessionID)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step3: failed to purchase data.")
}
Log.Debugf("[%v]step3: finish verify response...", tx.SessionID)
tx.Status = TRANSACTION_STATUS_RECEIVED_RESPONSE
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step4: start read, sign and send receipt to Alice...", tx.SessionID)
receiptByte, receipt, err := readReceiptForComplaint(receiptFile, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_RECEIVED_RECEIPT_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step4: failed to read receipt. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step4: failed to purchase data.")
}
Log.Debugf("[%v]step4: finish read receipt...", tx.SessionID)
tx.Price = tx.UnitPrice * tx.Count
tx.ExpireAt = time.Now().Unix() + 36000
sign, err := signRecptForComplaint(key, tx.AliceAddr, tx.SessionID, receipt, tx.Price, tx.ExpireAt, tx.Bulletin, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_RECEIVED_RECEIPT_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("failed to generate signature. err=%v", err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step4: failed to purchase data.")
}
Log.Debugf("[%v]step4: finish generate signature for receipt...", tx.SessionID)
err = BobSendPODRecpt(node, tx.Price, tx.ExpireAt, receiptByte, sign)
if err != nil {
tx.Status = TRANSACTION_STATUS_RECEIVED_RECEIPT_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("Failed to send receipt to Alice. err=%v", err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step4: failed to purchase data.")
}
Log.Debugf("[%v]step4: finish send recipt to Alice...", tx.SessionID)
tx.Status = TRANSACTION_STATUS_RECEIPT
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step5: start read save and verify secret from contract...", tx.SessionID)
secret, err := readScrtForComplaint(tx.SessionID, tx.AliceAddr, tx.BobAddr, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_GOT_SECRET_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step5: failed to read secret from contract. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step5: failed to purchase data.")
}
Log.Debugf("[%v]step5: finish read secret from contract...", tx.SessionID)
err = BobSaveSecretForComplaint(secret, secretFile, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_GOT_SECRET_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("Failed to save secret for Bob. err=%v")
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step5: failed to purchase data.")
}
Log.Debugf("[%v]step5: finish save secret...", tx.SessionID)
tx.Status = TRANSACTION_STATUS_GOT_SECRET
BobTxMap[tx.SessionID] = tx
rs = tx.TableComplaint.BobVerifySecret(secretFile, Log)
Log.Debugf("[%v]step5: finish verify secret...result=%v", tx.SessionID, rs)
if !rs {
tx.Status = TRANSACTION_STATUS_VERIFY_FAILED
BobTxMap[tx.SessionID] = tx
Log.Debugf("[%v]step6: start claim to contract...", tx.SessionID)
rs = tx.TableComplaint.BobGeneClaim(claimFile, Log)
if !rs {
tx.Status = TRANSACTION_STATUS_SEND_CLIAM_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step6: failed to generate claim.", tx.SessionID)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step6: failed to purchase data.")
}
Log.Debugf("[%v]step6: finish generate claim...", tx.SessionID)
txid, err := claimToContractForComplaint(tx.SessionID, tx.Bulletin, claimFile, tx.AliceAddr, Log)
if err != nil {
tx.Status = TRANSACTION_STATUS_SEND_CLIAM_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step6: failed to send claim to contract. err=%v", tx.SessionID, err)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step6: failed to purchase data.")
}
Log.Debugf("[%v]step6: finish claim to contract...txid=%v", tx.SessionID, txid)
tx.Status = TRANSACTION_STATUS_SEND_CLIAM
BobTxMap[tx.SessionID] = tx
} else {
Log.Debugf("[%v]step6: start decrypt data...", tx.SessionID)
rs = tx.TableComplaint.BobDecrypt(outputFile, Log)
if !rs {
tx.Status = TRANSACTION_STATUS_DECRYPT_FAILED
BobTxMap[tx.SessionID] = tx
Log.Warnf("[%v]step6: failed to decrypt File.", tx.SessionID)
return fmt.Sprintf(RESPONSE_TRANSACTION_FAILED, "step6: failed to purchase data.")
}
Log.Debugf("[%v]step6: finish decrypt file, path=%v", tx.SessionID, outputFile)
tx.Status = TRANSACTION_STATUS_CLOSED
BobTxMap[tx.SessionID] = tx
}
Log.Debugf("[%v]purchase finish...", tx.SessionID)