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Текущая директория: /opt/BitGoJS/modules/sdk-coin-avaxp/dist/src/lib
Просмотр файла: utxoEngine.js
"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.deprecatedRecoverUtxos = deprecatedRecoverUtxos;
exports.recoverUtxos = recoverUtxos;
exports.utxoToInput = utxoToInput;
const iface_1 = require("./iface");
const avalanche_1 = require("avalanche");
const utils_1 = __importDefault(require("./utils"));
const sdk_core_1 = require("@bitgo/sdk-core");
/**
* Inputs can be controlled but outputs get reordered in transactions
* In order to make sure that the mapping is always correct we create an addressIndex which matches to the appropriate
* signatureIdx
* @param {StandardTransferableInput[]} utxos as transaction ins.
* @returns the list of UTXOs
*/
function deprecatedRecoverUtxos(utxos) {
return utxos.map((utxo) => {
const secpInput = utxo.getInput();
// use the same addressesIndex as existing ones in the inputs
const addressesIndex = secpInput.getSigIdxs().map((s) => s.toBuffer().readUInt32BE(0));
return {
outputID: iface_1.SECP256K1_Transfer_Output,
outputidx: utils_1.default.outputidxBufferToNumber(utxo.getOutputIdx()),
txid: utils_1.default.cb58Encode(utxo.getTxID()),
amount: secpInput.getAmount().toString(),
threshold: addressesIndex.length,
addresses: [], // this is empty since the inputs from deserialized transaction don't contain addresses
addressesIndex,
};
});
}
/**
* Inputs can be controlled but outputs get reordered in transactions
* In order to make sure that the mapping is always correct we create an addressIndex which matches to the appropriate
* signatureIdx
* @param {avaxSerial.TransferableInput[]} utxos as transaction ins.
* @returns the list of UTXOs
*/
function recoverUtxos(utxos) {
return utxos.map((utxo) => {
const input = utxo.input;
// use the same addressesIndex as existing ones in the inputs
const addressesIndex = utxo.sigIndicies();
return {
outputID: iface_1.SECP256K1_Transfer_Output,
outputidx: utxo.utxoID.outputIdx.value().toString(),
txid: utxo.utxoID.txID.value(),
amount: input.amount().toString(),
threshold: addressesIndex.length,
addresses: [], // this is empty since the inputs from deserialized transaction don't contain addresses
addressesIndex,
};
});
}
/**
* Convert Utxos into inputs data. Input Objects changes regarding chains. This method return a plain object to be mapped late in chain input.
* Sender is a list of owners address and utxo address must contains all of them.
* Signers is a list of sender cut it in threshold size. Firsts senders are the signers.
*
* Output always get reordered we want to make sure we can always add signatures in the correct location.
* Signatures array store signers address of the expected signature. Tx sign replace the address for the signature.
* So the location of the signatures is guaranteed.
*
* To find the correct location for the signature, we use the output's addresses to create the signatureIdx in the order that we desire
* 0: user key, 1: hsm key, 2: recovery key
*
* @param utxos
* @param sender array of addresses
* @param threshold number of signatures required
* @return {
* inputs: InputData[];
* amount: BN;
* } as total amount and inputs with signatures as signers address to be replaced.
*/
function utxoToInput(utxos, sender, threshold = 2) {
// amount spent so far
let currentTotal = new avalanche_1.BN(0);
const inputs = utxos
.filter((utxo) => utxo && utxo.outputID === iface_1.SECP256K1_Transfer_Output)
.map((utxo) => {
// validate the utxos
const utxoAddresses = utxo.addresses.map((a) => utils_1.default.parseAddress(a));
const addressesIndex = sender.map((a) => utxoAddresses.findIndex((u) => a.equals(u)));
// addressesIndex should never have a mismatch
if (addressesIndex.includes(-1)) {
throw new sdk_core_1.BuildTransactionError('Addresses are inconsistent: ' + utxo.txid);
}
if (utxo.threshold !== threshold) {
throw new sdk_core_1.BuildTransactionError('Threshold is inconsistent');
}
const txidBuf = utils_1.default.cb58Decode(utxo.txid);
const amount = new avalanche_1.BN(utxo.amount);
const outputIdx = utils_1.default.outputidxNumberToBuffer(utxo.outputidx);
currentTotal = currentTotal.add(amount);
const signers = addressesIndex
.slice(0, threshold)
.map((utxoIndex, senderIndex) => ({ utxoIndex, senderIndex }))
.sort((a, b) => a.utxoIndex - b.utxoIndex);
const signatures = signers.map(({ senderIndex }) =>
// TODO(BG-56700): Improve canSign by check in addresses in empty credentials match signer
// HSM require empty signature.
utils_1.default.createSig(senderIndex == 1 ? '' : sender[senderIndex].toString('hex')));
const signaturesIdx = signers.map(({ utxoIndex }) => utxoIndex);
return { amount, txidBuf, outputIdx, signaturesIdx, signatures };
});
return { inputs, amount: currentTotal };
}
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{ DecodedUtxoObj, SECP256K1_Transfer_Output } from './iface';\nimport { BN, Buffer as BufferAvax } from 'avalanche';\nimport { Signature } from 'avalanche/dist/common';\nimport utils from './utils';\nimport { BuildTransactionError } from '@bitgo/sdk-core';\nimport { StandardAmountInput, StandardTransferableInput } from 'avalanche/dist/common/input';\nimport { avaxSerial } from '@bitgo-forks/avalanchejs';\n\nexport interface InputData {\n  amount: BN;\n  txidBuf: BufferAvax;\n  outputIdx: BufferAvax;\n  signaturesIdx: number[];\n  signatures: Signature[];\n}\n\n/**\n * Inputs can be controlled but outputs get reordered in transactions\n * In order to make sure that the mapping is always correct we create an addressIndex which matches to the appropriate\n * signatureIdx\n * @param {StandardTransferableInput[]} utxos as transaction ins.\n * @returns the list of UTXOs\n */\nexport function deprecatedRecoverUtxos(utxos: StandardTransferableInput[]): DecodedUtxoObj[] {\n  return utxos.map((utxo) => {\n    const secpInput = utxo.getInput() as StandardAmountInput;\n\n    // use the same addressesIndex as existing ones in the inputs\n    const addressesIndex: number[] = secpInput.getSigIdxs().map((s) => s.toBuffer().readUInt32BE(0));\n\n    return {\n      outputID: SECP256K1_Transfer_Output,\n      outputidx: utils.outputidxBufferToNumber(utxo.getOutputIdx()),\n      txid: utils.cb58Encode(utxo.getTxID()),\n      amount: secpInput.getAmount().toString(),\n      threshold: addressesIndex.length,\n      addresses: [], // this is empty since the inputs from deserialized transaction don't contain addresses\n      addressesIndex,\n    };\n  });\n}\n\n/**\n * Inputs can be controlled but outputs get reordered in transactions\n * In order to make sure that the mapping is always correct we create an addressIndex which matches to the appropriate\n * signatureIdx\n * @param {avaxSerial.TransferableInput[]} utxos as transaction ins.\n * @returns the list of UTXOs\n */\nexport function recoverUtxos(utxos: avaxSerial.TransferableInput[]): DecodedUtxoObj[] {\n  return utxos.map((utxo) => {\n    const input = utxo.input;\n\n    // use the same addressesIndex as existing ones in the inputs\n    const addressesIndex: number[] = utxo.sigIndicies();\n\n    return {\n      outputID: SECP256K1_Transfer_Output,\n      outputidx: utxo.utxoID.outputIdx.value().toString(),\n      txid: utxo.utxoID.txID.value(),\n      amount: input.amount().toString(),\n      threshold: addressesIndex.length,\n      addresses: [], // this is empty since the inputs from deserialized transaction don't contain addresses\n      addressesIndex,\n    };\n  });\n}\n\n/**\n * Convert Utxos into inputs data. Input Objects changes regarding chains. This method return a plain object to be mapped late in chain input.\n * Sender is a list of owners address and utxo address must contains all of them.\n * Signers is a list of sender cut it in threshold size. Firsts senders are the signers.\n *\n * Output always get reordered we want to make sure we can always add signatures in the correct location.\n * Signatures array store signers address of the expected signature. Tx sign replace the address for the signature.\n * So the location of the signatures is guaranteed.\n *\n * To find the correct location for the signature, we use the output's addresses to create the signatureIdx in the order that we desire\n * 0: user key, 1: hsm key, 2: recovery key\n *\n * @param utxos\n * @param sender array of addresses\n * @param threshold number of signatures required\n * @return {\n *   inputs: InputData[];\n *   amount: BN;\n * } as total amount and inputs with signatures as signers address to be replaced.\n */\nexport function utxoToInput(\n  utxos: DecodedUtxoObj[],\n  sender: BufferAvax[],\n  threshold = 2\n): {\n  inputs: InputData[];\n  amount: BN;\n} {\n  // amount spent so far\n  let currentTotal: BN = new BN(0);\n\n  const inputs = utxos\n    .filter((utxo) => utxo && utxo.outputID === SECP256K1_Transfer_Output)\n    .map((utxo) => {\n      // validate the utxos\n      const utxoAddresses: BufferAvax[] = utxo.addresses.map((a) => utils.parseAddress(a));\n      const addressesIndex = sender.map((a) => utxoAddresses.findIndex((u) => a.equals(u)));\n      // addressesIndex should never have a mismatch\n      if (addressesIndex.includes(-1)) {\n        throw new BuildTransactionError('Addresses are inconsistent: ' + utxo.txid);\n      }\n      if (utxo.threshold !== threshold) {\n        throw new BuildTransactionError('Threshold is inconsistent');\n      }\n\n      const txidBuf: BufferAvax = utils.cb58Decode(utxo.txid);\n      const amount: BN = new BN(utxo.amount);\n      const outputIdx: BufferAvax = utils.outputidxNumberToBuffer(utxo.outputidx);\n\n      currentTotal = currentTotal.add(amount);\n\n      const signers = addressesIndex\n        .slice(0, threshold)\n        .map((utxoIndex, senderIndex) => ({ utxoIndex, senderIndex }))\n        .sort((a, b) => a.utxoIndex - b.utxoIndex);\n      const signatures = signers.map(({ senderIndex }) =>\n        // TODO(BG-56700):  Improve canSign by check in addresses in empty credentials match signer\n        // HSM require empty signature.\n        utils.createSig(senderIndex == 1 ? '' : sender[senderIndex].toString('hex'))\n      );\n      const signaturesIdx = signers.map(({ utxoIndex }) => utxoIndex);\n\n      return { amount, txidBuf, outputIdx, signaturesIdx, signatures };\n    });\n\n  return { inputs, amount: currentTotal };\n}\n"]}Выполнить команду
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