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@bitgo/utxo-bin

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Command-line utility for BitGo UTXO transactions

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"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.getPrevOut = getPrevOut; exports.getParserTxProperties = getParserTxProperties; exports.getParserTxInputProperties = getParserTxInputProperties; const utxolib = require("@bitgo/utxo-lib"); function getPrevOut(prevOutput, prevOutpoint, network) { if (prevOutput.witnessUtxo) { return prevOutput.witnessUtxo; } const outputIndex = typeof prevOutpoint === 'number' ? prevOutpoint : utxolib.bitgo.getOutputIdForInput(prevOutpoint).vout; if (prevOutput.nonWitnessUtxo) { const tx = utxolib.bitgo.createTransactionFromBuffer(prevOutput.nonWitnessUtxo, network, { amountType: 'bigint' }); return tx.outs[outputIndex]; } return undefined; } function getOutputSum(outputs) { return outputs.reduce((sum, o) => sum + o.value, BigInt(0)); } function getParserTxProperties(tx, prevOutputs) { if (tx instanceof utxolib.bitgo.UtxoTransaction) { let complete = true; try { const txb = utxolib.bitgo.createTransactionBuilderFromTransaction(tx); txb.build(); } catch (e) { complete = false; } return { format: complete ? 'network' : 'legacy', complete, id: tx.getId(), weight: tx.weight(), inputs: tx.ins, outputs: tx.outs, outputSum: getOutputSum(tx.outs), inputSum: prevOutputs ? getOutputSum(prevOutputs) : undefined, hasWitnesses: tx.hasWitnesses(), }; } if (tx instanceof utxolib.bitgo.UtxoPsbt) { let signedTx; let complete = true; try { const clone = tx.clone(); clone.finalizeAllInputs(); signedTx = clone.extractTransaction(); } catch (e) { complete = false; // ignore } const unsignedTx = tx.getUnsignedTx(); return { format: 'psbt', complete, id: (signedTx ?? unsignedTx).getId(), weight: (signedTx ?? unsignedTx).weight(), inputs: tx.txInputs, outputs: tx.txOutputs, outputSum: getOutputSum(tx.txOutputs), inputSum: tx.data.inputs .map((input, i) => getPrevOut(input, tx.txInputs[i], tx.network)?.value) .reduce((sum, v) => sum === undefined || v === undefined ? undefined : sum + v, BigInt(0)), hasWitnesses: tx.data.inputs.some((i) => i.witnessUtxo !== undefined), }; } throw new Error('unknown transaction type'); } function getParserTxInputProperties(input, prevOut) { const outputId = utxolib.bitgo.getOutputIdForInput(input); if ('sequence' in input && 'script' in input && 'witness' in input) { // full-signed or legacy case return { ...outputId, sequence: input.sequence, script: input.script, witness: input.witness, }; } if (!prevOut) { throw new Error('missing prevOut'); } return { ...outputId, sequence: input.sequence, script: prevOut.redeemScript, witness: prevOut.witnessScript ? 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prevOutpoint : utxolib.bitgo.getOutputIdForInput(prevOutpoint).vout;\n  if (prevOutput.nonWitnessUtxo) {\n    const tx = utxolib.bitgo.createTransactionFromBuffer(prevOutput.nonWitnessUtxo, network, { amountType: 'bigint' });\n    return tx.outs[outputIndex];\n  }\n  return undefined;\n}\n\nfunction getOutputSum(outputs: { value: bigint }[]): bigint {\n  return outputs.reduce((sum, o) => sum + o.value, BigInt(0));\n}\n\nexport function getParserTxProperties(\n  tx: ParserTx,\n  prevOutputs: utxolib.TxOutput<bigint>[] | undefined\n): {\n  format: 'network' | 'legacy' | 'psbt';\n  complete: boolean;\n  id: string;\n  weight: number;\n  inputs: ParserTxInput[];\n  outputs: ParserTxOutput[];\n  outputSum: bigint;\n  inputSum: bigint | undefined;\n  hasWitnesses: boolean;\n} {\n  if (tx instanceof utxolib.bitgo.UtxoTransaction) {\n    let complete = true;\n    try {\n      const txb = utxolib.bitgo.createTransactionBuilderFromTransaction(tx);\n      txb.build();\n    } catch (e) {\n      complete = false;\n    }\n    return {\n      format: complete ? 'network' : 'legacy',\n      complete,\n      id: tx.getId(),\n      weight: tx.weight(),\n      inputs: tx.ins,\n      outputs: tx.outs,\n      outputSum: getOutputSum(tx.outs),\n      inputSum: prevOutputs ? getOutputSum(prevOutputs) : undefined,\n      hasWitnesses: tx.hasWitnesses(),\n    };\n  }\n\n  if (tx instanceof utxolib.bitgo.UtxoPsbt) {\n    let signedTx;\n    let complete = true;\n    try {\n      const clone = tx.clone();\n      clone.finalizeAllInputs();\n      signedTx = clone.extractTransaction();\n    } catch (e) {\n      complete = false;\n      // ignore\n    }\n\n    const unsignedTx = tx.getUnsignedTx();\n\n    return {\n      format: 'psbt',\n      complete,\n      id: (signedTx ?? unsignedTx).getId(),\n      weight: (signedTx ?? unsignedTx).weight(),\n      inputs: tx.txInputs,\n      outputs: tx.txOutputs,\n      outputSum: getOutputSum(tx.txOutputs),\n      inputSum: tx.data.inputs\n        .map((input, i) => getPrevOut(input, tx.txInputs[i], tx.network)?.value)\n        .reduce(\n          (sum: bigint | undefined, v: bigint | undefined) =>\n            sum === undefined || v === undefined ? undefined : sum + v,\n          BigInt(0)\n        ),\n      hasWitnesses: tx.data.inputs.some((i) => i.witnessUtxo !== undefined),\n    };\n  }\n\n  throw new Error('unknown transaction type');\n}\nexport function getParserTxInputProperties(\n  input: ParserTxInput,\n  prevOut?: utxolib.bitgo.PsbtInput\n): {\n  txid: string;\n  vout: number;\n  sequence?: number;\n  script?: Buffer;\n  witness?: Buffer[];\n} {\n  const outputId = utxolib.bitgo.getOutputIdForInput(input);\n  if ('sequence' in input && 'script' in input && 'witness' in input) {\n    // full-signed or legacy case\n    return {\n      ...outputId,\n      sequence: input.sequence,\n      script: input.script,\n      witness: input.witness,\n    };\n  }\n\n  if (!prevOut) {\n    throw new Error('missing prevOut');\n  }\n  return {\n    ...outputId,\n    sequence: input.sequence,\n    script: prevOut.redeemScript,\n    witness: prevOut.witnessScript ? [prevOut.witnessScript] : [],\n  };\n}\n"]}