@bitgo/utxo-lib
Version:
Client-side Bitcoin JavaScript library
74 lines • 12.8 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.getProprietaryKeyValuesFromUnknownKeyValues = getProprietaryKeyValuesFromUnknownKeyValues;
exports.deleteProprietaryKeyValuesFromUnknownKeyValues = deleteProprietaryKeyValuesFromUnknownKeyValues;
exports.updateProprietaryKeyValuesFromUnknownKeyValues = updateProprietaryKeyValuesFromUnknownKeyValues;
exports.addProprietaryKeyValuesFromUnknownKeyValues = addProprietaryKeyValuesFromUnknownKeyValues;
const proprietaryKeyVal_1 = require("bip174/src/lib/proprietaryKeyVal");
function getProprietaryKeyValuesFromUnknownKeyValues(psbtField, keySearch) {
if (!psbtField.unknownKeyVals?.length) {
return [];
}
if (keySearch && keySearch.subtype === undefined && Buffer.isBuffer(keySearch.keydata)) {
throw new Error('invalid proprietary key search filter combination. subtype is required');
}
const keyVals = psbtField.unknownKeyVals.map(({ key, value }, i) => {
return { key: (0, proprietaryKeyVal_1.decodeProprietaryKey)(key), value };
});
return keyVals.filter((keyVal) => {
return (keySearch === undefined ||
(keySearch.identifier === keyVal.key.identifier &&
(keySearch.subtype === undefined ||
(keySearch.subtype === keyVal.key.subtype &&
(!Buffer.isBuffer(keySearch.keydata) || keySearch.keydata.equals(keyVal.key.keydata))))));
});
}
function deleteProprietaryKeyValuesFromUnknownKeyValues(psbtField, keysToDelete) {
if (!psbtField.unknownKeyVals?.length) {
return;
}
if (keysToDelete && keysToDelete.subtype === undefined && Buffer.isBuffer(keysToDelete.keydata)) {
throw new Error('invalid proprietary key search filter combination. subtype is required');
}
psbtField.unknownKeyVals = psbtField.unknownKeyVals.filter((keyValue, i) => {
const key = (0, proprietaryKeyVal_1.decodeProprietaryKey)(keyValue.key);
return !(keysToDelete === undefined ||
(keysToDelete.identifier === key.identifier &&
(keysToDelete.subtype === undefined ||
(keysToDelete.subtype === key.subtype &&
(!Buffer.isBuffer(keysToDelete.keydata) || keysToDelete.keydata.equals(key.keydata))))));
});
}
function updateProprietaryKeyValuesFromUnknownKeyValues(keyValueData, psbtField) {
if (!psbtField.unknownKeyVals?.length) {
return;
}
const key = (0, proprietaryKeyVal_1.encodeProprietaryKey)(keyValueData.key);
const { value } = keyValueData;
const ukvIndex = psbtField.unknownKeyVals.findIndex((ukv) => ukv.key.equals(key));
if (ukvIndex <= -1) {
throw new Error(`The Key-Value pair does not exist within the PSBT.`);
}
psbtField.unknownKeyVals[ukvIndex] = { key, value };
}
function addProprietaryKeyValuesFromUnknownKeyValues(psbt, entry, index, keyValueData) {
if (index < 0) {
throw new Error('Not a valid index within the PSBT to add proprietary key value.');
}
if (entry === 'input') {
psbt.addUnknownKeyValToInput(index, {
key: (0, proprietaryKeyVal_1.encodeProprietaryKey)(keyValueData.key),
value: keyValueData.value,
});
}
else if (entry === 'output') {
psbt.addUnknownKeyValToOutput(index, {
key: (0, proprietaryKeyVal_1.encodeProprietaryKey)(keyValueData.key),
value: keyValueData.value,
});
}
else {
throw new Error("Not a valid PSBT entry, only valid for 'input' or 'output'.");
}
}
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{ PsbtInput, PsbtOutput } from 'bip174/src/lib/interfaces';\nimport { decodeProprietaryKey, encodeProprietaryKey, ProprietaryKey } from 'bip174/src/lib/proprietaryKeyVal';\nimport { UtxoPsbt } from './UtxoPsbt';\n\n/**\n * Psbt proprietary keydata object search fields.\n * <compact size uint identifier length> <bytes identifier> <compact size uint subtype> <bytes subkeydata>\n */\nexport interface ProprietaryKeySearch {\n  identifier: string;\n  subtype?: number;\n  keydata?: Buffer;\n  identifierEncoding?: BufferEncoding;\n}\n/**\n * Psbt proprietary keydata object.\n * <compact size uint identifier length> <bytes identifier> <compact size uint subtype> <bytes subkeydata>\n * => <bytes valuedata>\n */\nexport interface ProprietaryKeyValue {\n  key: ProprietaryKey;\n  value: Buffer;\n}\n\nexport function getProprietaryKeyValuesFromUnknownKeyValues(\n  psbtField: PsbtInput | PsbtOutput,\n  keySearch?: ProprietaryKeySearch\n): ProprietaryKeyValue[] {\n  if (!psbtField.unknownKeyVals?.length) {\n    return [];\n  }\n\n  if (keySearch && keySearch.subtype === undefined && Buffer.isBuffer(keySearch.keydata)) {\n    throw new Error('invalid proprietary key search filter combination. subtype is required');\n  }\n  const keyVals = psbtField.unknownKeyVals.map(({ key, value }, i) => {\n    return { key: decodeProprietaryKey(key), value };\n  });\n  return keyVals.filter((keyVal) => {\n    return (\n      keySearch === undefined ||\n      (keySearch.identifier === keyVal.key.identifier &&\n        (keySearch.subtype === undefined ||\n          (keySearch.subtype === keyVal.key.subtype &&\n            (!Buffer.isBuffer(keySearch.keydata) || keySearch.keydata.equals(keyVal.key.keydata)))))\n    );\n  });\n}\n\nexport function deleteProprietaryKeyValuesFromUnknownKeyValues(\n  psbtField: PsbtInput | PsbtOutput,\n  keysToDelete?: ProprietaryKeySearch\n): void {\n  if (!psbtField.unknownKeyVals?.length) {\n    return;\n  }\n\n  if (keysToDelete && keysToDelete.subtype === undefined && Buffer.isBuffer(keysToDelete.keydata)) {\n    throw new Error('invalid proprietary key search filter combination. subtype is required');\n  }\n  psbtField.unknownKeyVals = psbtField.unknownKeyVals.filter((keyValue, i) => {\n    const key = decodeProprietaryKey(keyValue.key);\n    return !(\n      keysToDelete === undefined ||\n      (keysToDelete.identifier === key.identifier &&\n        (keysToDelete.subtype === undefined ||\n          (keysToDelete.subtype === key.subtype &&\n            (!Buffer.isBuffer(keysToDelete.keydata) || keysToDelete.keydata.equals(key.keydata)))))\n    );\n  });\n}\n\nexport function updateProprietaryKeyValuesFromUnknownKeyValues(\n  keyValueData: ProprietaryKeyValue,\n  psbtField: PsbtInput | PsbtOutput\n): void {\n  if (!psbtField.unknownKeyVals?.length) {\n    return;\n  }\n\n  const key = encodeProprietaryKey(keyValueData.key);\n  const { value } = keyValueData;\n  const ukvIndex = psbtField.unknownKeyVals.findIndex((ukv) => ukv.key.equals(key));\n  if (ukvIndex <= -1) {\n    throw new Error(`The Key-Value pair does not exist within the PSBT.`);\n  }\n  psbtField.unknownKeyVals[ukvIndex] = { key, value };\n}\n\nexport function addProprietaryKeyValuesFromUnknownKeyValues(\n  psbt: UtxoPsbt,\n  entry: string,\n  index: number,\n  keyValueData: ProprietaryKeyValue\n): void {\n  if (index < 0) {\n    throw new Error('Not a valid index within the PSBT to add proprietary key value.');\n  }\n  if (entry === 'input') {\n    psbt.addUnknownKeyValToInput(index, {\n      key: encodeProprietaryKey(keyValueData.key),\n      value: keyValueData.value,\n    });\n  } else if (entry === 'output') {\n    psbt.addUnknownKeyValToOutput(index, {\n      key: encodeProprietaryKey(keyValueData.key),\n      value: keyValueData.value,\n    });\n  } else {\n    throw new Error(\"Not a valid PSBT entry, only valid for 'input' or 'output'.\");\n  }\n}\n"]}