API : Utility Functions

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• to16StrFromNumber
• getBufFromNumber
• putUint16
• Opcoder
• putUint32
• signatureScript
• getSignHash
• jsonInterfaceMethodToString
• keccak256
• isHexPrefixed
• stripHexPrefix
• hex2BoxAddr
• box2HexAddr
• rawEncode
• rawDecode
• calcSplitAddr
• encodeTokenAddr
• decodeTokenAddr
• makeUnsignedTxHandle

Methods

hex2BoxAddr

Convert hex address t box address format.

Parameters

* prefix <string>
* hexAddr <string> 

Returns

box-address <string>

---

box2HexAddr

Convert box addres to hex addres format.

Parameters

* box-addr <string>

Returns

hex-address <string>

---

rawEncode

Abi raw encode.

Parameters

* types
* values

Returns

encoded <Buffer>

---

rawDecode

Abi raw decode.

Parameters

* types
* values

Returns

decoded

---

calcSplitAddr

Make split address.

Parameters

* CalcSplitAddrReq <
  {
    addrs: <string[]>;
    weights: <number[]>;
    txHash: <string>;
    index: <number>;
  }
>

Returns

split-address <string>

---

encodeTokenAddr

Encode token address.

Parameters

* token-info <
  {
    opHash: <string>;
    index: <number>;
  }
>

Returns

encoded-address <string>

---

decodeTokenAddr

Decode token address.

Parameters

* token-address <string>

Returns

token-info <
  {
    opHash: <string>;
    index: <number>;
  }
>

---

makeUnsignedTxHandle

Make unsigned transaction handle.

Parameters

interface: Utxo <
  {
    out_point: {
        hash: <string>;
        index: <number>;
    };
    tx_out: {
        value: <string>;
        script_pub_key: <string>;
    };
    block_height: <number>;
    is_coinbase: <boolean>;
    is_spent: <boolean>;
  }
>

Parameters: * MakeUnsignTxReq <
  {
    from: <string>
    to_map: {
      [to_addr:<string>]: <number>
    }
    utxo_list: <Utxo[]>
    is_raw?: <boolean>
  }
>

Returns

transaction json | protocal transaction

---