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Текущая директория: /var/www/bitcardoApp/node_modules/ethers/lib.esm/providers
Просмотр файла: format.js
/**
* @_ignore
*/
import { getAddress, getCreateAddress } from "../address/index.js";
import { Signature } from "../crypto/index.js";
import { accessListify } from "../transaction/index.js";
import { getBigInt, getNumber, hexlify, isHexString, zeroPadValue, assert, assertArgument } from "../utils/index.js";
const BN_0 = BigInt(0);
export function allowNull(format, nullValue) {
return (function (value) {
if (value == null) {
return nullValue;
}
return format(value);
});
}
export function arrayOf(format, allowNull) {
return ((array) => {
if (allowNull && array == null) {
return null;
}
if (!Array.isArray(array)) {
throw new Error("not an array");
}
return array.map((i) => format(i));
});
}
// Requires an object which matches a fleet of other formatters
// Any FormatFunc may return `undefined` to have the value omitted
// from the result object. Calls preserve `this`.
export function object(format, altNames) {
return ((value) => {
const result = {};
for (const key in format) {
let srcKey = key;
if (altNames && key in altNames && !(srcKey in value)) {
for (const altKey of altNames[key]) {
if (altKey in value) {
srcKey = altKey;
break;
}
}
}
try {
const nv = format[key](value[srcKey]);
if (nv !== undefined) {
result[key] = nv;
}
}
catch (error) {
const message = (error instanceof Error) ? error.message : "not-an-error";
assert(false, `invalid value for value.${key} (${message})`, "BAD_DATA", { value });
}
}
return result;
});
}
export function formatBoolean(value) {
switch (value) {
case true:
case "true":
return true;
case false:
case "false":
return false;
}
assertArgument(false, `invalid boolean; ${JSON.stringify(value)}`, "value", value);
}
export function formatData(value) {
assertArgument(isHexString(value, true), "invalid data", "value", value);
return value;
}
export function formatHash(value) {
assertArgument(isHexString(value, 32), "invalid hash", "value", value);
return value;
}
export function formatUint256(value) {
if (!isHexString(value)) {
throw new Error("invalid uint256");
}
return zeroPadValue(value, 32);
}
const _formatLog = object({
address: getAddress,
blockHash: formatHash,
blockNumber: getNumber,
data: formatData,
index: getNumber,
removed: allowNull(formatBoolean, false),
topics: arrayOf(formatHash),
transactionHash: formatHash,
transactionIndex: getNumber,
}, {
index: ["logIndex"]
});
export function formatLog(value) {
return _formatLog(value);
}
const _formatBlock = object({
hash: allowNull(formatHash),
parentHash: formatHash,
parentBeaconBlockRoot: allowNull(formatHash, null),
number: getNumber,
timestamp: getNumber,
nonce: allowNull(formatData),
difficulty: getBigInt,
gasLimit: getBigInt,
gasUsed: getBigInt,
stateRoot: allowNull(formatHash, null),
receiptsRoot: allowNull(formatHash, null),
blobGasUsed: allowNull(getBigInt, null),
excessBlobGas: allowNull(getBigInt, null),
miner: allowNull(getAddress),
prevRandao: allowNull(formatHash, null),
extraData: formatData,
baseFeePerGas: allowNull(getBigInt)
}, {
prevRandao: ["mixHash"]
});
export function formatBlock(value) {
const result = _formatBlock(value);
result.transactions = value.transactions.map((tx) => {
if (typeof (tx) === "string") {
return tx;
}
return formatTransactionResponse(tx);
});
return result;
}
const _formatReceiptLog = object({
transactionIndex: getNumber,
blockNumber: getNumber,
transactionHash: formatHash,
address: getAddress,
topics: arrayOf(formatHash),
data: formatData,
index: getNumber,
blockHash: formatHash,
}, {
index: ["logIndex"]
});
export function formatReceiptLog(value) {
return _formatReceiptLog(value);
}
const _formatTransactionReceipt = object({
to: allowNull(getAddress, null),
from: allowNull(getAddress, null),
contractAddress: allowNull(getAddress, null),
// should be allowNull(hash), but broken-EIP-658 support is handled in receipt
index: getNumber,
root: allowNull(hexlify),
gasUsed: getBigInt,
blobGasUsed: allowNull(getBigInt, null),
logsBloom: allowNull(formatData),
blockHash: formatHash,
hash: formatHash,
logs: arrayOf(formatReceiptLog),
blockNumber: getNumber,
//confirmations: allowNull(getNumber, null),
cumulativeGasUsed: getBigInt,
effectiveGasPrice: allowNull(getBigInt),
blobGasPrice: allowNull(getBigInt, null),
status: allowNull(getNumber),
type: allowNull(getNumber, 0)
}, {
effectiveGasPrice: ["gasPrice"],
hash: ["transactionHash"],
index: ["transactionIndex"],
});
export function formatTransactionReceipt(value) {
return _formatTransactionReceipt(value);
}
export function formatTransactionResponse(value) {
// Some clients (TestRPC) do strange things like return 0x0 for the
// 0 address; correct this to be a real address
if (value.to && getBigInt(value.to) === BN_0) {
value.to = "0x0000000000000000000000000000000000000000";
}
const result = object({
hash: formatHash,
// Some nodes do not return this, usually test nodes (like Ganache)
index: allowNull(getNumber, undefined),
type: (value) => {
if (value === "0x" || value == null) {
return 0;
}
return getNumber(value);
},
accessList: allowNull(accessListify, null),
blobVersionedHashes: allowNull(arrayOf(formatHash, true), null),
blockHash: allowNull(formatHash, null),
blockNumber: allowNull(getNumber, null),
transactionIndex: allowNull(getNumber, null),
from: getAddress,
// either (gasPrice) or (maxPriorityFeePerGas + maxFeePerGas) must be set
gasPrice: allowNull(getBigInt),
maxPriorityFeePerGas: allowNull(getBigInt),
maxFeePerGas: allowNull(getBigInt),
maxFeePerBlobGas: allowNull(getBigInt, null),
gasLimit: getBigInt,
to: allowNull(getAddress, null),
value: getBigInt,
nonce: getNumber,
data: formatData,
creates: allowNull(getAddress, null),
chainId: allowNull(getBigInt, null)
}, {
data: ["input"],
gasLimit: ["gas"],
index: ["transactionIndex"]
})(value);
// If to and creates are empty, populate the creates from the value
if (result.to == null && result.creates == null) {
result.creates = getCreateAddress(result);
}
// @TODO: Check fee data
// Add an access list to supported transaction types
if ((value.type === 1 || value.type === 2) && value.accessList == null) {
result.accessList = [];
}
// Compute the signature
if (value.signature) {
result.signature = Signature.from(value.signature);
}
else {
result.signature = Signature.from(value);
}
// Some backends omit ChainId on legacy transactions, but we can compute it
if (result.chainId == null) {
const chainId = result.signature.legacyChainId;
if (chainId != null) {
result.chainId = chainId;
}
}
// @TODO: check chainID
/*
if (value.chainId != null) {
let chainId = value.chainId;
if (isHexString(chainId)) {
chainId = BigNumber.from(chainId).toNumber();
}
result.chainId = chainId;
} else {
let chainId = value.networkId;
// geth-etc returns chainId
if (chainId == null && result.v == null) {
chainId = value.chainId;
}
if (isHexString(chainId)) {
chainId = BigNumber.from(chainId).toNumber();
}
if (typeof(chainId) !== "number" && result.v != null) {
chainId = (result.v - 35) / 2;
if (chainId < 0) { chainId = 0; }
chainId = parseInt(chainId);
}
if (typeof(chainId) !== "number") { chainId = 0; }
result.chainId = chainId;
}
*/
// 0x0000... should actually be null
if (result.blockHash && getBigInt(result.blockHash) === BN_0) {
result.blockHash = null;
}
return result;
}
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