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    1.5.0-beta.2 • Public • Published

    ripple-binary-codec NPM

    Functions to encode/decode to/from the ripple binary serialization format



    > const api = require('ripple-binary-codec')

    decode(binary: string): object

    Decode a hex-string into a transaction object.

    > api.decode('1100612200000000240000000125000000072D0000000055DF530FB14C5304852F20080B0A8EEF3A6BDD044F41F4EBBD68B8B321145FE4FF6240000002540BE4008114D0F5430B66E06498D4CEEC816C7B3337F9982337')
      LedgerEntryType: 'AccountRoot',
      Flags: 0,
      Sequence: 1,
      PreviousTxnLgrSeq: 7,
      OwnerCount: 0,
      PreviousTxnID: 'DF530FB14C5304852F20080B0A8EEF3A6BDD044F41F4EBBD68B8B321145FE4FF',
      Balance: '10000000000',
      Account: 'rLs1MzkFWCxTbuAHgjeTZK4fcCDDnf2KRv'

    encode(json: object): string

    Encode a transaction object into a hex-string. Note that encode filters out fields with undefined values.

    > api.encode({
      LedgerEntryType: 'AccountRoot',
      Flags: 0,
      Sequence: 1,
      PreviousTxnLgrSeq: 7,
      OwnerCount: 0,
      PreviousTxnID: 'DF530FB14C5304852F20080B0A8EEF3A6BDD044F41F4EBBD68B8B321145FE4FF',
      Balance: '10000000000',
      Account: 'rLs1MzkFWCxTbuAHgjeTZK4fcCDDnf2KRv' 

    X-Address Compatibility

    • ripple-binary-codec handles X-addresses by looking for a few specific files (Account/SourceTag, Destination/DestinationTag).
    • If other fields (in the future) must to support X-addresses with tags, this library will need to be updated.
    • When decoding rippled binary, the output will always output classic address + tag, with no X-addresses. X-address support only applies when encoding to binary.

    Encoding Currency Codes

    • The standard format for currency codes is a three-letter string such as USD. This is intended for use with ISO 4217 Currency Codes.
    • Currency codes must be exactly 3 ASCII characters in length and there are a few other rules.
    • ripple-binary-codec allows any 3-character ASCII string to be encoded as a currency code, although rippled may enforce tighter restrictions.
    • When decoding, if a currency code is three uppercase letters or numbers (/^[A-Z0-9]{3}$/), then it will be decoded into that string. For example,0000000000000000000000004142430000000000 decodes as ABC.
    • When decoding, if a currency code is does not match the regex, then it is not considered to be an ISO 4217 or pseudo-ISO currency. ripple-binary-codec will return a 160-bit hex-string (40 hex characters). For example, 0000000000000000000000006142430000000000 (aBC) decodes as 0000000000000000000000006142430000000000 because it contains a lowercase letter.

    encodeForSigning(json: object): string

    Encode the transaction object for signing.

    encodeForSigningClaim(json: object): string

    Encode the transaction object for payment channel claim.

    encodeForMultisigning(json: object, signer: string): string

    Encode the transaction object for multi-signing.

    encodeQuality(value: string): string

    > api.encodeQuality('195796912.5171664')

    decodeQuality(value: string): string

    > api.decodeQuality('5D06F4C3362FE1D0')

    decodeLedgerData(binary: string): object

    > api.decodeLedgerData("01E91435016340767BF1C4A3EACEB081770D8ADE216C85445DD6FB002C6B5A2930F2DECE006DA18150CB18F6DD33F6F0990754C962A7CCE62F332FF9C13939B03B864117F0BDA86B6E9B4F873B5C3E520634D343EF5D9D9A4246643D64DAD278BA95DC0EAC6EB5350CF970D521276CDE21276CE60A00")
      ledger_index: 32052277,
      total_coins: '99994494362043555',
      parent_hash: 'EACEB081770D8ADE216C85445DD6FB002C6B5A2930F2DECE006DA18150CB18F6',
      transaction_hash: 'DD33F6F0990754C962A7CCE62F332FF9C13939B03B864117F0BDA86B6E9B4F87',
      account_hash: '3B5C3E520634D343EF5D9D9A4246643D64DAD278BA95DC0EAC6EB5350CF970D5',
      parent_close_time: 556231902,
      close_time: 556231910,
      close_time_resolution: 10,
      close_flags: 0


    Run unit tests with:

    npm test

    Use --coverage to generate and display code coverage information:

    npm test --coverage

    This tells jest to output code coverage info in the ./coverage directory, in addition to showing it on the command line.




    npm i ripple-binary-codec

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