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Diffstat (limited to 'ui/app/helpers/transactions.util.js')
-rw-r--r-- | ui/app/helpers/transactions.util.js | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/ui/app/helpers/transactions.util.js b/ui/app/helpers/transactions.util.js deleted file mode 100644 index 2f4b1d095..000000000 --- a/ui/app/helpers/transactions.util.js +++ /dev/null @@ -1,159 +0,0 @@ -import ethUtil from 'ethereumjs-util' -import MethodRegistry from 'eth-method-registry' -import abi from 'human-standard-token-abi' -import abiDecoder from 'abi-decoder' - -import { - TOKEN_METHOD_TRANSFER, - TOKEN_METHOD_APPROVE, - TOKEN_METHOD_TRANSFER_FROM, - SEND_ETHER_ACTION_KEY, - DEPLOY_CONTRACT_ACTION_KEY, - APPROVE_ACTION_KEY, - SEND_TOKEN_ACTION_KEY, - TRANSFER_FROM_ACTION_KEY, - SIGNATURE_REQUEST_KEY, - UNKNOWN_FUNCTION_KEY, - CANCEL_ATTEMPT_ACTION_KEY, -} from '../constants/transactions' - -import { addCurrencies } from '../conversion-util' - -abiDecoder.addABI(abi) - -export function getTokenData (data = '') { - return abiDecoder.decodeMethod(data) -} - -const registry = new MethodRegistry({ provider: global.ethereumProvider }) - -/** - * Attempts to return the method data from the MethodRegistry library, if the method exists in the - * registry. Otherwise, returns an empty object. - * @param {string} data - The hex data (@code txParams.data) of a transaction - * @returns {Object} - */ -export async function getMethodData (data = '') { - const prefixedData = ethUtil.addHexPrefix(data) - const fourBytePrefix = prefixedData.slice(0, 10) - const sig = await registry.lookup(fourBytePrefix) - - if (!sig) { - return {} - } - - const parsedResult = registry.parse(sig) - - return { - name: parsedResult.name, - params: parsedResult.args, - } -} - -export function isConfirmDeployContract (txData = {}) { - const { txParams = {} } = txData - return !txParams.to -} - -/** - * Returns the action of a transaction as a key to be passed into the translator. - * @param {Object} transaction - txData object - * @param {Object} methodData - Data returned from eth-method-registry - * @returns {string|undefined} - */ -export async function getTransactionActionKey (transaction, methodData) { - const { txParams: { data, to } = {}, msgParams, type } = transaction - - if (type === 'cancel') { - return CANCEL_ATTEMPT_ACTION_KEY - } - - if (msgParams) { - return SIGNATURE_REQUEST_KEY - } - - if (isConfirmDeployContract(transaction)) { - return DEPLOY_CONTRACT_ACTION_KEY - } - - if (data) { - const toSmartContract = await isSmartContractAddress(to) - - if (!toSmartContract) { - return SEND_ETHER_ACTION_KEY - } - - const { name } = methodData - const methodName = name && name.toLowerCase() - - if (!methodName) { - return UNKNOWN_FUNCTION_KEY - } - - switch (methodName) { - case TOKEN_METHOD_TRANSFER: - return SEND_TOKEN_ACTION_KEY - case TOKEN_METHOD_APPROVE: - return APPROVE_ACTION_KEY - case TOKEN_METHOD_TRANSFER_FROM: - return TRANSFER_FROM_ACTION_KEY - default: - return undefined - } - } else { - return SEND_ETHER_ACTION_KEY - } -} - -export function getLatestSubmittedTxWithNonce (transactions = [], nonce = '0x0') { - if (!transactions.length) { - return {} - } - - return transactions.reduce((acc, current) => { - const { submittedTime, txParams: { nonce: currentNonce } = {} } = current - - if (currentNonce === nonce) { - return acc.submittedTime - ? submittedTime > acc.submittedTime ? current : acc - : current - } else { - return acc - } - }, {}) -} - -export async function isSmartContractAddress (address) { - const code = await global.eth.getCode(address) - // Geth will return '0x', and ganache-core v2.2.1 will return '0x0' - const codeIsEmpty = !code || code === '0x' || code === '0x0' - return !codeIsEmpty -} - -export function sumHexes (...args) { - const total = args.reduce((acc, base) => { - return addCurrencies(acc, base, { - toNumericBase: 'hex', - }) - }) - - return ethUtil.addHexPrefix(total) -} - -/** - * Returns a status key for a transaction. Requires parsing the txMeta.txReceipt on top of - * txMeta.status because txMeta.status does not reflect on-chain errors. - * @param {Object} transaction - The txMeta object of a transaction. - * @param {Object} transaction.txReceipt - The transaction receipt. - * @returns {string} - */ -export function getStatusKey (transaction) { - const { txReceipt: { status } = {} } = transaction - - // There was an on-chain failure - if (status === '0x0') { - return 'failed' - } - - return transaction.status -} |