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* Add simple UDT example * Add script to introduction
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| use ckb_js_tests::read_tx_template; | ||
|
|
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| pub fn main() -> Result<(), Box<dyn std::error::Error>> { | ||
| let tx = read_tx_template("templates/simple_udt.json")?; | ||
|
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| let json = serde_json::to_string_pretty(&tx).unwrap(); | ||
| println!("{}", json); | ||
| Ok(()) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| { | ||
| "mock_info": { | ||
| "inputs": [ | ||
| { | ||
| "output": { | ||
| "capacity": "0x10000000", | ||
| "lock": { | ||
| "args": "0x", | ||
| "code_hash": "0x0000000000000000000000000000000000000000000000000000000000000000", | ||
| "hash_type": "data1" | ||
| }, | ||
| "type": { | ||
| "args": "0x0000{{ ref_type js-code-file }}01", | ||
| "code_hash": "0x{{ ref_type ckb-js-vm }}", | ||
| "hash_type": "type" | ||
| } | ||
| }, | ||
| "data": "0x11000000000000000000000000000000" | ||
| } | ||
| ], | ||
| "cell_deps": [ | ||
| { | ||
| "output": { | ||
| "capacity": "0x10000000", | ||
| "lock": { | ||
| "args": "0x00AE9DF3447C404A645BC48BEA4B7643B95AC5C3AE", | ||
| "code_hash": "0x0000000000000000000000000000000000000000000000000000000000000000", | ||
| "hash_type": "data1" | ||
| }, | ||
| "type": "{{ def_type ckb-js-vm }}" | ||
| }, | ||
| "data": "0x{{ data ../../../build/ckb-js-vm }}" | ||
| }, | ||
| { | ||
| "output": { | ||
| "capacity": "0x10000000", | ||
| "lock": { | ||
| "args": "0x00AE9DF3447C404A645BC48BEA4B7643B95AC5C3AE", | ||
| "code_hash": "0x0000000000000000000000000000000000000000000000000000000000000000", | ||
| "hash_type": "data1" | ||
| }, | ||
| "type": "{{ def_type js-code-file }}" | ||
| }, | ||
| "data": "0x{{ data ../test_data/simple_udt.js }}" | ||
| } | ||
| ], | ||
| "header_deps": [] | ||
| }, | ||
| "tx": { | ||
| "outputs": [ | ||
| { | ||
| "capacity": "0x0", | ||
| "lock": { | ||
| "args": "0x", | ||
| "code_hash": "0x0000000000000000000000000000000000000000000000000000000000000000", | ||
| "hash_type": "type" | ||
| }, | ||
| "type": { | ||
| "args": "0x0000{{ ref_type js-code-file }}01", | ||
| "code_hash": "0x{{ ref_type ckb-js-vm }}", | ||
| "hash_type": "type" | ||
| } | ||
| } | ||
| ], | ||
| "witnesses": [ | ||
| "0x0001020304050607" | ||
| ], | ||
| "outputs_data": [ | ||
| "0x11000000000000000000000000000000" | ||
| ] | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
|
|
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| const CKB_INDEX_OUT_OF_BOUND = 1; | ||
| const ERROR_AMOUNT = -52; | ||
|
|
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| function assert(cond, obj1) { | ||
| if (!cond) { | ||
| throw Error(obj1); | ||
| } | ||
| } | ||
|
|
||
| function compare_array(a, b) { | ||
| if (a.byteLength != b.byteLength) { | ||
| return false; | ||
| } | ||
| for (let i = 0; i < a.byteLength; i++) { | ||
| if (a[i] != b[i]) { | ||
| return false; | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
|
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| function unpack_script(buf) { | ||
| let script = new Uint32Array(buf); | ||
| let raw_data = new Uint8Array(buf); | ||
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| let full_size = script[0]; | ||
| assert(full_size == buf.byteLength, 'full_size == buf.byteLength'); | ||
| let code_hash_offset = script[1]; | ||
| let code_hash = buf.slice(code_hash_offset, code_hash_offset + 32); | ||
| let hash_type_offset = script[2]; | ||
| let hash_type = raw_data[hash_type_offset]; | ||
| let args_offset = script[3]; | ||
| let args = buf.slice(args_offset + 4); | ||
| return {'code_hash': code_hash, 'hash_type': hash_type, 'args': args}; | ||
| } | ||
|
|
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| function* iterate_field(source, field) { | ||
| let index = 0; | ||
| while (true) { | ||
| try { | ||
| let ret = ckb.load_cell_by_field(index, source, field); | ||
| yield ret; | ||
| index++; | ||
| } catch (e) { | ||
| if (e.error_code == CKB_INDEX_OUT_OF_BOUND) { | ||
| break; | ||
| } else { | ||
| throw e; | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| function* iterate_cell_data(source) { | ||
| let index = 0; | ||
| while (true) { | ||
| try { | ||
| let ret = ckb.load_cell_data(index, source); | ||
| yield ret; | ||
| index++; | ||
| } catch (e) { | ||
| if (e.error_code == CKB_INDEX_OUT_OF_BOUND) { | ||
| break; | ||
| } else { | ||
| throw e; | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| function main() { | ||
| console.log('simple UDT ...'); | ||
| let buf = ckb.load_script(); | ||
| let script = unpack_script(buf); | ||
| let owner_mode = false; | ||
| // ckb-js-vm has leading 35 bytes args | ||
| let real_args = script.args.slice(35); | ||
| for (let lock_hash of iterate_field(ckb.SOURCE_INPUT, ckb.CKB_CELL_FIELD_LOCK_HASH)) { | ||
| if (compare_array(lock_hash, real_args)) { | ||
| owner_mode = true; | ||
| } | ||
| } | ||
| if (owner_mode) { | ||
| return 0; | ||
| } | ||
| let input_amount = 0n; | ||
|
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| for (let data of iterate_cell_data(ckb.SOURCE_GROUP_INPUT)) { | ||
| if (data.byteLength != 16) { | ||
| throw `Invalid data length: ${data.byteLength}`; | ||
| } | ||
| let n = new BigUint64Array(data); | ||
| let current_amount = n[0] | (n[1] << 64n); | ||
| input_amount += current_amount; | ||
| } | ||
| let output_amount = 0n; | ||
| for (let data of iterate_cell_data(ckb.SOURCE_GROUP_OUTPUT)) { | ||
| if (data.byteLength != 16) { | ||
| throw `Invalid data length: ${data.byteLength}`; | ||
| } | ||
| let n = new BigUint64Array(data); | ||
| let current_amount = n[0] | (n[1] << 64n); | ||
| output_amount += current_amount; | ||
| } | ||
| console.log(`verifying amount: ${input_amount} and ${output_amount}`); | ||
| if (input_amount < output_amount) { | ||
| return ERROR_AMOUNT; | ||
| } | ||
| console.log('Simple UDT quit successfully'); | ||
| return 0; | ||
| } | ||
|
|
||
| ckb.exit(main()); |
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