@swtc/common/esm/utils.js

swtc chain information

import { CURRENCY_RE, HASH_RE, NODE_TYPES } from "./constants";
import { funcHexToString as hexToString } from "./functions";
export function formatArgs(args) {
    const newArgs = [];
    if (args) {
        for (const arg of args) {
            newArgs.push(hexToString(arg.Arg.Parameter));
        }
    }
    return newArgs;
}
export function getTypeNode(node) {
    for (const type of NODE_TYPES) {
        if (node.hasOwnProperty(type)) {
            return node[type];
        }
    }
    return null;
}
export function processAffectNode(an) {
    const result = {};
    NODE_TYPES.forEach(x => {
        if (an[x]) {
            result.diffType = x;
        }
    });
    if (!result.diffType)
        return {};
    an = an[result.diffType];
    result.entryType = an.LedgerEntryType;
    result.ledgerIndex = an.LedgerIndex;
    result.fields = Object.assign({}, an.PreviousFields, an.NewFields, an.FinalFields);
    result.fieldsPrev = an.PreviousFields || {};
    result.fieldsNew = an.NewFields || {};
    result.fieldsFinal = an.FinalFields || {};
    result.PreviousTxnID = an.PreviousTxnID;
    return result;
}
export function affectedAccounts(tx) {
    const accounts = {};
    accounts[tx.transaction.Account] = 1;
    if (tx.transaction.Destination) {
        accounts[tx.transaction.Destination] = 1;
    }
    if (tx.transaction.LimitAmount) {
        accounts[tx.transaction.LimitAmount.issuer] = 1;
    }
    const meta = tx.meta;
    if (meta && meta.TransactionResult === "tesSUCCESS") {
        meta.AffectedNodes.forEach(n => {
            const node = processAffectNode(n);
            if (node.entryType === "AccountRoot" && node.fields.Account) {
                accounts[node.fields.Account] = 1;
            }
            if (node.entryType === "SkywellState") {
                if (node.fields.HighLimit.issuer) {
                    accounts[node.fields.HighLimit.issuer] = 1;
                }
                if (node.fields.LowLimit.issuer) {
                    accounts[node.fields.LowLimit.issuer] = 1;
                }
            }
            if (node.entryType === "Offer" && node.fields.Account) {
                accounts[node.fields.Account] = 1;
            }
        });
    }
    return Object.keys(accounts);
}
export function getTypes(abi, foo) {
    try {
        const filtered = abi
            .filter(json => json.name === foo)
            .map(json => json.outputs.map(input => input.type))
            .map(types => types);
        return filtered ? filtered[0] : [];
    }
    catch (error) {
        return [];
    }
}
export function isValidCurrency(currency) {
    if (!currency || typeof currency !== "string" || currency === "") {
        return false;
    }
    return CURRENCY_RE.test(currency);
}
export function isValidHash(hash) {
    if (!hash || typeof hash !== "string" || hash === "") {
        return false;
    }
    return HASH_RE.test(hash);
}
export function txnType(tx, account) {
    if (tx.Account === account ||
        tx.Target === account ||
        (tx.Destination && tx.Destination === account) ||
        (tx.LimitAmount && tx.LimitAmount.issuer === account) ||
        tx.BlackListAccountID === account) {
        switch (tx.TransactionType) {
            case "Payment":
                return tx.Account === account
                    ? tx.Destination === account
                        ? "convert"
                        : "sent"
                    : "received";
            case "OfferCreate":
                return "offernew";
            case "OfferCancel":
                return "offercancel";
            case "TrustSet":
                return tx.Account === account ? "trusting" : "trusted";
            case "RelationDel":
            case "AccountSet":
            case "SetRegularKey":
            case "RelationSet":
            case "SignSet":
            case "Operation":
            case "ConfigContract":
            case "AlethContract":
            case "Brokerage":
            case "SignerListSet":
            case "SetBlackList":
            case "RemoveBlackList":
            case "TokenIssue":
            case "TransferToken":
            case "TokenDel":
                return tx.TransactionType.toLowerCase();
            default:
                return "unknown";
        }
    }
    else {
        return "offereffect";
    }
}
export function reverseAmount(amount, account) {
    return {
        value: String(-Number(amount.value)),
        currency: amount.currency,
        issuer: account
    };
}
export function isAmountZero(amount) {
    if (!amount)
        return false;
    return Number(amount.value) < 1e-12;
}
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