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Bytom交易说明(账户管理模式)

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摘要:签名失败只需将签名的交易数据用正确的密码重新签名即可,无需再次构建交易提交交易接口,代码提交交易的输入请求格式如下对应源代码的请求对象如下结构字段说明如下签名完成之后的交易信息。

该部分主要针对用户使用bytom自带的账户模式发送交易

1、构建交易

API接口 build-transaction,代码api/transact.go#L120

以标准的非BTM资产转账交易为例,资产ID为全F表示BTM资产,在该示例中BTM资产仅作为手续费,该交易表示花费99个特定的资产到指定地址中。其中构建交易的输入请求json格式如下:

{
  "base_transaction": null,
  "actions": [
    {
      "account_id": "0ER7MEFGG0A02",
      "amount": 20000000,
      "asset_id": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
      "type": "spend_account"
    },
    {
      "account_id": "0ER7MEFGG0A02",
      "amount": 99,
      "asset_id": "42275aacbeda1522cd41580f875c3c452daf5174b17ba062bf0ab71a568c123f",
      "type": "spend_account"
    },
    {
      "amount": 99,
      "asset_id": "42275aacbeda1522cd41580f875c3c452daf5174b17ba062bf0ab71a568c123f",
      "address": "sm1qxe4jwhkekgnxkezu7xutu5gqnnpmyc8ppq98me",
      "type": "control_address"
    }
  ],
  "ttl": 0,
  "time_range": 0
}

对应源代码的请求对象如下:

// BuildRequest is main struct when building transactions
type BuildRequest struct {
    Tx        *types.TxData            `json:"base_transaction"`
    Actions   []map[string]interface{} `json:"actions"`
    TTL       json.Duration            `json:"ttl"`
    TimeRange uint64                   `json:"time_range"`
}

结构字段说明如下:

Tx 交易的TxData部分,该字段为预留字段,为空即可

TTL 构建交易的生存时间(单位为毫秒),意味着在该时间范围内,已经缓存的utxo不能用于再一次build交易,除非剩余的utxo足以构建一笔新的交易,否则会报错。当ttl为0时会被默认设置为600s,即5分钟

TimeRange 时间戳,意味着该交易将在该时间戳(区块高度)之后不会被提交上链,为了防止交易在网络中传输延迟而等待太久时间,如果交易没有在特定的时间范围内被打包,该交易便会自动失效

Actions 交易的actions结构,所有的交易都是由action构成的,map类型的interface{}保证了action类型的可扩展性。其中action中必须包含type字段,用于区分不同的action类型,action主要包含inputoutput两种类型,其详细介绍如下:

input action 类型:

issue 发行资产

spend_account 以账户的模式花费utxo

spend_account_unspent_output 直接花费指定的utxo

output action 类型:

control_address 接收方式为地址模式

control_program 接收方式为(program)合约模式

retire 销毁资产

注意事项

一个交易必须至少包含一个input和output(coinbase交易除外,因为coinbase交易是由系统产生,故不在此加以描述),否则交易将会报错。

除了BTM资产(所有交易都是以BTM资产作为手续费)之外,其他资产在构建input和output时,所有输入和输出的资产总和必须相等,否则交易会报出输入输出不平衡的错误信息。

交易的手续费: 所有inputs的BTM资产数量 - 所有outputs的BTM资产数量

交易中的资产amount都是neu为单位的,BTM的单位换算如下:1 BTM = 1000 mBTM = 100000000 neu


action简介

下面对构建交易时用到的各种action类型进行详细说明:

issue

issueAction结构体源代码如下:

type issueAction struct {
    assets *Registry
    bc.AssetAmount
}

type AssetAmount struct {
    AssetId *AssetID `protobuf:"bytes,1,opt,name=asset_id,json=assetId" json:"asset_id,omitempty"`
    Amount  uint64   `protobuf:"varint,2,opt,name=amount" json:"amount,omitempty"`
}

结构字段说明如下:

assets 主要用于资产的管理,无需用户设置参数

AssetAmount 表示用户需要发行的资产ID和对应的资产数目,这里的AssetID需要通过create-asset创建,并且这里不能使用BTM的资产ID

issueActionjson格式为:

{
  "amount": 100000000,
  "asset_id": "3152a15da72be51b330e1c0f8e1c0db669269809da4f16443ff266e07cc43680",
  "type": "issue"
}

例如发行一笔资产的交易示例如下:
(该交易表示发行数量为900000000assetID42275aacbeda1522cd41580f875c3c452daf5174b17ba062bf0ab71a568c123f的资产到接收地址sm1qxe4jwhkekgnxkezu7xutu5gqnnpmyc8ppq98me中, 其中手续费为20000000neu的BTM资产)

{
  "base_transaction": null,
  "actions": [
    {
      "account_id": "0ER7MEFGG0A02",
      "amount": 20000000,
      "asset_id": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
      "type": "spend_account"
    },
    {
      "amount": 900000000,
      "asset_id": "42275aacbeda1522cd41580f875c3c452daf5174b17ba062bf0ab71a568c123f",
      "type": "issue"
    },
    {
      "amount": 900000000,
      "asset_id": "42275aacbeda1522cd41580f875c3c452daf5174b17ba062bf0ab71a568c123f",
      "address": "sm1qxe4jwhkekgnxkezu7xutu5gqnnpmyc8ppq98me",
      "type": "control_address"
    }
  ],
  "ttl": 0,
  "time_range": 0
}

spend_account

spendAction结构体源代码如下:

type spendAction struct {
    accounts *Manager
    bc.AssetAmount
    AccountID   string  `json:"account_id"`
    ClientToken *string `json:"client_token"`
}

type AssetAmount struct {
    AssetId *AssetID `protobuf:"bytes,1,opt,name=asset_id,json=assetId" json:"asset_id,omitempty"`
    Amount  uint64   `protobuf:"varint,2,opt,name=amount" json:"amount,omitempty"`
}

结构字段说明如下:

accounts 主要用于账户的管理,无需用户设置参数

AccountID 表示需要花费资产的账户ID

AssetAmount 表示花费的资产ID和对应的资产数目

ClientToken 表示Reserve用户UTXO的限制条件,目前不填或为空即可

spendActionjson格式为:

{
  "account_id": "0BF63M2U00A04",
  "amount": 2000000000,
  "asset_id": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
  "type": "spend_account"
}

例如转账一笔资产的交易示例如下:
(该交易表示通过账户的方式转账100000000neu的BTM资产到地址sm1qxe4jwhkekgnxkezu7xutu5gqnnpmyc8ppq98me中, 其中手续费20000000neu = 输入BTM资产数量 - 输出BTM资产数量)

{
  "base_transaction": null,
  "actions": [
    {
      "account_id": "0ER7MEFGG0A02",
      "amount": 120000000,
      "asset_id": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
      "type": "spend_account"
    },
    {
      "amount": 100000000,
      "asset_id": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
      "address": "sm1qxe4jwhkekgnxkezu7xutu5gqnnpmyc8ppq98me",
      "type": "control_address"
    }
  ],
  "ttl": 0,
  "time_range": 0
}

spend_account_unspent_output

spendUTXOAction结构体源代码如下:

type spendUTXOAction struct {
    accounts *Manager
    OutputID *bc.Hash `json:"output_id"`
    ClientToken *string `json:"client_token"`
}

结构字段说明如下:

accounts 主要用于账户的管理,无需用户设置参数

OutputID 表示需要花费的UTXO的ID,可以根据list-unspent-outputs查询可用的UTXO,其中OutputID对应该API返回结果的id字段

ClientToken 表示Reserve用户UTXO的限制条件,目前不填或为空即可

spendUTXOActionjson格式为:

{
  "type": "spend_account_unspent_output",
  "output_id": "58f29f0f85f7bd2a91088bcbe536dee41cd0642dfb1480d3a88589bdbfd642d9"
}

例如通过花费UTXO的方式转账一笔资产的交易示例如下:
(该交易表示通过直接花费UTXO的方式转账100000000neu的BTM资产到地址sm1qxe4jwhkekgnxkezu7xutu5gqnnpmyc8ppq98me中, 其中手续费 = 输入BTM资产的UTXO值 - 输出BTM资产数量)

{
  "base_transaction": null,
  "actions": [
    {
      "output_id": "58f29f0f85f7bd2a91088bcbe536dee41cd0642dfb1480d3a88589bdbfd642d9",
      "type": "spend_account_unspent_output"
    },
    {
      "amount": 100000000,
      "asset_id": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
      "address": "sm1qxe4jwhkekgnxkezu7xutu5gqnnpmyc8ppq98me",
      "type": "control_address"
    }
  ],
  "ttl": 0,
  "time_range": 0
}

control_address

controlAddressAction结构体源代码如下:

type controlAddressAction struct {
    bc.AssetAmount
    Address string `json:"address"`
}

type AssetAmount struct {
    AssetId *AssetID `protobuf:"bytes,1,opt,name=asset_id,json=assetId" json:"asset_id,omitempty"`
    Amount  uint64   `protobuf:"varint,2,opt,name=amount" json:"amount,omitempty"`
}

结构字段说明如下:

Address 表示接收资产的地址,可以根据 create-account-receiver API接口创建地址

AssetAmount 表示接收的资产ID和对应的资产数目

controlAddressActionjson格式为:

{
  "amount": 100000000,
  "asset_id": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
  "address": "bm1q50u3z8empm5ke0g3ngl2t3sqtr6sd7cepd3z68",
  "type": "control_address"
}

例如转账一笔资产的交易示例如下:
(该交易表示通过账户的方式转账100000000neu的BTM资产到地址sm1qxe4jwhkekgnxkezu7xutu5gqnnpmyc8ppq98me中, 其中control_address类型表示以地址作为接收方式)

{
  "base_transaction": null,
  "actions": [
    {
      "account_id": "0ER7MEFGG0A02",
      "amount": 120000000,
      "asset_id": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
      "type": "spend_account"
    },
    {
      "amount": 100000000,
      "asset_id": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
      "address": "sm1qxe4jwhkekgnxkezu7xutu5gqnnpmyc8ppq98me",
      "type": "control_address"
    }
  ],
  "ttl": 0,
  "time_range": 0
}

control_program

controlProgramAction结构体源代码如下:

type controlProgramAction struct {
    bc.AssetAmount
    Program json.HexBytes `json:"control_program"`
}

type AssetAmount struct {
    AssetId *AssetID `protobuf:"bytes,1,opt,name=asset_id,json=assetId" json:"asset_id,omitempty"`
    Amount  uint64   `protobuf:"varint,2,opt,name=amount" json:"amount,omitempty"`
}

结构字段说明如下:

Program 表示接收资产的合约脚本,可以根据 create-account-receiver API接口创建接收program(返回结果的 programaddress 是一一对应的)

AssetAmount 表示接收的资产ID和对应的资产数目

controlProgramActionjson格式为:

{
  "amount": 100000000,
  "asset_id": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
  "control_program":"0014a3f9111f3b0ee96cbd119a3ea5c60058f506fb19",
  "type": "control_program"
}

例如转账一笔资产的交易示例如下:
(该交易表示通过账户的方式转账100000000neu的BTM资产到接收program(跟address是一一对应的)0014a3f9111f3b0ee96cbd119a3ea5c60058f506fb19中, 其中control_program类型表示以program作为接收方式)

{
  "base_transaction": null,
  "actions": [
    {
      "account_id": "0ER7MEFGG0A02",
      "amount": 120000000,
      "asset_id": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
      "type": "spend_account"
    },
    {
      "amount": 100000000,
      "asset_id": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
      "control_program": "0014a3f9111f3b0ee96cbd119a3ea5c60058f506fb19",
      "type": "control_program"
    }
  ],
  "ttl": 0,
  "time_range": 0
}

retire

retireAction结构体源代码如下:

type retireAction struct {
    bc.AssetAmount
}

type AssetAmount struct {
    AssetId *AssetID `protobuf:"bytes,1,opt,name=asset_id,json=assetId" json:"asset_id,omitempty"`
    Amount  uint64   `protobuf:"varint,2,opt,name=amount" json:"amount,omitempty"`
}

结构字段说明如下:

AssetAmount 表示销毁的资产ID和对应的资产数目

retireActionjson格式为:

{
  "amount": 900000000,
  "asset_id": "3152a15da72be51b330e1c0f8e1c0db669269809da4f16443ff266e07cc43680",
  "type": "retire"
}

例如销毁一笔资产的交易示例如下:
(该交易表示通过账户的方式将100000000neu的BTM资产销毁, retire表示销毁指定数量的资产)

{
  "base_transaction": null,
  "actions": [
    {
      "account_id": "0ER7MEFGG0A02",
      "amount": 120000000,
      "asset_id": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
      "type": "spend_account"
    },
    {
      "amount": 100000000,
      "asset_id": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
      "type": "retire"
    }
  ],
  "ttl": 0,
  "time_range": 0
}

build-transaction的输入构造完成之后,便可以通过http的调用方式进行发送交易,构建交易请求成功之后返回的json结果如下:

{
  "allow_additional_actions": false,
  "raw_transaction": "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",
  "signing_instructions": [
    {
      "position": 0,
      "witness_components": [
        {
          "keys": [
            {
              "derivation_path": [
                "010100000000000000",
                "0100000000000000"
              ],
              "xpub": "de0db655c091b2838ccb6cddb675779b0a9a4204b122e61699b339867dd10eb0dbdc926882ff6dd75c099c181c60d63eab0033a4b0a4d0a8c78079e39d7ad1d8"
            }
          ],
          "quorum": 1,
          "signatures": null,
          "type": "raw_tx_signature"
        },
        {
          "type": "data",
          "value": "d174db6506e35f2decb5be148c2984bfd0f6c67f043365bf642d1af387c04fd5"
        }
      ]
    },
    {
      "position": 1,
      "witness_components": [
        {
          "keys": [
            {
              "derivation_path": [
                "010100000000000000",
                "0800000000000000"
              ],
              "xpub": "de0db655c091b2838ccb6cddb675779b0a9a4204b122e61699b339867dd10eb0dbdc926882ff6dd75c099c181c60d63eab0033a4b0a4d0a8c78079e39d7ad1d8"
            }
          ],
          "quorum": 1,
          "signatures": null,
          "type": "raw_tx_signature"
        },
        {
          "type": "data",
          "value": "05cdbcc705f07ad87521835bbba226ad7b430cc24e5e3f008edbe61540535419"
        }
      ]
    }
  ]
}

对应响应对象的源代码如下:

// Template represents a partially- or fully-signed transaction.
type Template struct {
    Transaction         *types.Tx             `json:"raw_transaction"`
    SigningInstructions []*SigningInstruction `json:"signing_instructions"`

    // AllowAdditional affects whether Sign commits to the tx sighash or
    // to individual details of the tx so far. When true, signatures
    // commit to tx details, and new details may be added but existing
    // ones cannot be changed. When false, signatures commit to the tx
    // as a whole, and any change to the tx invalidates the signature.
    AllowAdditional bool `json:"allow_additional_actions"`
}

结构字段说明如下:

Transaction 交易相关信息,该字段包含TxDatabc.Tx两个部分:

TxData 表示给用户展示的交易数据部分,该部分对用户可见

Version 交易版本

SerializedSize 交易序列化之后的size

TimeRange 交易提交上链的最大时间戳(区块高度)(主链区块高度到达该时间戳(区块高度)之后,如果交易没有被提交上链,该交易便会失效)

Inputs 交易输入

Outputs 交易输出

bc.Tx 表示系统中处理交易用到的转换结构,该部分对用户不可见,故不做详细描述

SigningInstructions 交易的签名信息

Positioninput action签名的位置

WitnessComponentsinput action签名需要的数据信息,其中build交易的signaturesnull,表示没有签名; 如果交易签名成功,则该字段会存在签名信息。该字段是一个interface接口,主要包含3种不同的类型:

SignatureWitness 对交易模板Template中交易input action位置的合约program进行哈希,然后对hash值进行签名

signatures (数组类型)交易的签名,sign-transaction执行完成之后才会有值存在

keys (数组类型)包含主公钥xpub和派生路径derivation_path,通过它们可以在签名阶段找到对应的派生私钥child_xprv,然后使用派生私钥进行签名

quorum 账户key 的个数,必须和上面的keys的长度相等。如果quorum 等于1,则表示单签账户,否则为多签账户

program 签名的数据部分,program的hash值作为签名数据。如果program为空,则会根据当前交易ID和对应action位置的InputID两部分生成一个hash,然后把它们作为指令数据自动构造一个program

RawTxSigWitness 对交易模板Template的交易ID和对应input action位置的InputID(该字段位于bc.Tx中)进行哈希,然后对hash值进行签名

signatures (数组类型)交易的签名,sign-transaction执行完成之后才会有值存在

keys (数组类型)包含主公钥xpub和派生路径derivation_path,通过它们可以在签名阶段找到对应的派生私钥child_xprv,然后使用派生私钥进行签名

quorum 账户key的个数,必须和上面的keys 的长度相等。如果quorum 等于1,则表示单签账户,否则为多签账户

DataWitness 该类型无需签名,验证合约program的附加数据

AllowAdditional 是否允许交易的附加数据,如果为true,则交易的附加数据会添加到交易中,但是不会影响交易的执行的program脚本,对签名结果不会造成影响; 如果为false,则整个交易作为一个整体进行签名,任何数据的改变将影响整个交易的签名


估算手续费

估算手续费接口estimate-transaction-gas是对build-transaction的结果进行手续费的预估,估算的结果需要重新加到build-transaction的结果中,然后对交易进行签名和提交。其主要流程如下:

  build - estimate - build - sign - submit

估算手续费的输入请求json格式如下:

{
  "transaction_template": {
    "allow_additional_actions": false,
    "raw_transaction": "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",
    "signing_instructions": [
      {
        "position": 0,
        "witness_components": [
          {
            "keys": [
              {
                "derivation_path": [
                  "010100000000000000",
                  "0100000000000000"
                ],
                "xpub": "de0db655c091b2838ccb6cddb675779b0a9a4204b122e61699b339867dd10eb0dbdc926882ff6dd75c099c181c60d63eab0033a4b0a4d0a8c78079e39d7ad1d8"
              }
            ],
            "quorum": 1,
            "signatures": null,
            "type": "raw_tx_signature"
          },
          {
            "type": "data",
            "value": "d174db6506e35f2decb5be148c2984bfd0f6c67f043365bf642d1af387c04fd5"
          }
        ]
      },
      {
        "position": 1,
        "witness_components": [
          {
            "keys": [
              {
                "derivation_path": [
                  "010100000000000000",
                  "0800000000000000"
                ],
                "xpub": "de0db655c091b2838ccb6cddb675779b0a9a4204b122e61699b339867dd10eb0dbdc926882ff6dd75c099c181c60d63eab0033a4b0a4d0a8c78079e39d7ad1d8"
              }
            ],
            "quorum": 1,
            "signatures": null,
            "type": "raw_tx_signature"
          },
          {
            "type": "data",
            "value": "05cdbcc705f07ad87521835bbba226ad7b430cc24e5e3f008edbe61540535419"
          }
        ]
      }
    ]
  }
}

对应响应对象的源代码如下:

type request struct{
    TxTemplate txbuilder.Template `json:"transaction_template"`
}

// Template represents a partially- or fully-signed transaction.
type Template struct {
    Transaction         *types.Tx             `json:"raw_transaction"`
    SigningInstructions []*SigningInstruction `json:"signing_instructions"`

    // AllowAdditional affects whether Sign commits to the tx sighash or
    // to individual details of the tx so far. When true, signatures
    // commit to tx details, and new details may be added but existing
    // ones cannot be changed. When false, signatures commit to the tx
    // as a whole, and any change to the tx invalidates the signature.
    AllowAdditional bool `json:"allow_additional_actions"`
}

其中TxTemplate相关字段的说明见build-transaction的结果描述

调用estimate-transaction-gas接口成功之后返回的json结果如下:

{
  "total_neu": 5000000,
  "storage_neu": 3840000,
  "vm_neu": 1419000
}

对应响应对象的源代码如下:

// EstimateTxGasResp estimate transaction consumed gas
type EstimateTxGasResp struct {
    TotalNeu   int64 `json:"total_neu"`
    StorageNeu int64 `json:"storage_neu"`
    VMNeu      int64 `json:"vm_neu"`
}

结构字段说明如下:

TotalNeu 预估的总手续费(单位为neu),该值直接加到build-transaction的BTM资产输入action中即可

StorageNeu 存储交易的手续费

VMNeu 运行虚拟机的手续费


2、签名交易

API接口 sign-transaction,代码api/hsm.go#L53

签名交易的输入请求json格式如下:

{
  "password": "123456",
  "transaction": {
    "allow_additional_actions": false,
    "raw_transaction": "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",
    "signing_instructions": [
      {
        "position": 0,
        "witness_components": [
          {
            "keys": [
              {
                "derivation_path": [
                  "010100000000000000",
                  "0100000000000000"
                ],
                "xpub": "de0db655c091b2838ccb6cddb675779b0a9a4204b122e61699b339867dd10eb0dbdc926882ff6dd75c099c181c60d63eab0033a4b0a4d0a8c78079e39d7ad1d8"
              }
            ],
            "quorum": 1,
            "signatures": null,
            "type": "raw_tx_signature"
          },
          {
            "type": "data",
            "value": "d174db6506e35f2decb5be148c2984bfd0f6c67f043365bf642d1af387c04fd5"
          }
        ]
      },
      {
        "position": 1,
        "witness_components": [
          {
            "keys": [
              {
                "derivation_path": [
                  "010100000000000000",
                  "0800000000000000"
                ],
                "xpub": "de0db655c091b2838ccb6cddb675779b0a9a4204b122e61699b339867dd10eb0dbdc926882ff6dd75c099c181c60d63eab0033a4b0a4d0a8c78079e39d7ad1d8"
              }
            ],
            "quorum": 1,
            "signatures": null,
            "type": "raw_tx_signature"
          },
          {
            "type": "data",
            "value": "05cdbcc705f07ad87521835bbba226ad7b430cc24e5e3f008edbe61540535419"
          }
        ]
      }
    ]
  }
}

对应请求对象的源代码如下:

type SignRequest struct {    //function pseudohsmSignTemplates request
    Password string             `json:"password"`
    Txs      txbuilder.Template `json:"transaction"`
}

结构字段说明如下:

Password 签名的密码,根据密码可以从节点服务器上解析出用户的私钥,然后用私钥对交易进行签名

Txs 交易模板,build-transaction的返回结果,结构类型为 txbuilder.Template,相关字段的说明见build-transaction的结果描述

签名交易sign-transaction请求成功之后返回的json结果如下:

{
  "sign_complete": true,
  "transaction": {
    "allow_additional_actions": false,
    "raw_transaction": "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",
    "signing_instructions": [
      {
        "position": 0,
        "witness_components": [
          {
            "keys": [
              {
                "derivation_path": [
                  "010100000000000000",
                  "0100000000000000"
                ],
                "xpub": "de0db655c091b2838ccb6cddb675779b0a9a4204b122e61699b339867dd10eb0dbdc926882ff6dd75c099c181c60d63eab0033a4b0a4d0a8c78079e39d7ad1d8"
              }
            ],
            "quorum": 1,
            "signatures": [
              "273d5fc4fb06909fbc2968ea91c411fd20f690c88e74284ce2732052400129948538562fe432afd6cf17e590e8645b80edf80b9d9581d0a980d5f9f859e38806"
            ],
            "type": "raw_tx_signature"
          },
          {
            "type": "data",
            "value": "d174db6506e35f2decb5be148c2984bfd0f6c67f043365bf642d1af387c04fd5"
          }
        ]
      },
      {
        "position": 1,
        "witness_components": [
          {
            "keys": [
              {
                "derivation_path": [
                  "010100000000000000",
                  "0800000000000000"
                ],
                "xpub": "de0db655c091b2838ccb6cddb675779b0a9a4204b122e61699b339867dd10eb0dbdc926882ff6dd75c099c181c60d63eab0033a4b0a4d0a8c78079e39d7ad1d8"
              }
            ],
            "quorum": 1,
            "signatures": [
              "0cf0beefceaf9fbf1efadedeff7aee5b38ee7a25a20d78b630b01613bc2f8c9230555a6e09aaa11a82ba68c0fc9e98a47c852dfe3de851d93f9b2b7ce256f90d"
            ],
            "type": "raw_tx_signature"
          },
          {
            "type": "data",
            "value": "05cdbcc705f07ad87521835bbba226ad7b430cc24e5e3f008edbe61540535419"
          }
        ]
      }
    ]
  }
}

对应响应对象的源代码如下:

type signResp struct {
    Tx           *txbuilder.Template `json:"transaction"`
    SignComplete bool                `json:"sign_complete"`
}

结构字段说明如下:

Tx 签名之后的交易模板txbuilder.Template,如果签名成功则signatures会由null变成签名的值,而raw_transaction的长度会变长,是因为bc.Tx部分添加了验证签名的参数信息

SignComplete 签名是否完成标志,如果为true表示签名完成,否则为false表示签名未完成,单签的话一般可能为签名密码错误; 而多签的话一般为还需要其他签名。签名失败只需将签名的交易数据用正确的密码重新签名即可,无需再次build-transaction构建交易


3、提交交易

API接口 submit-transaction,代码api/transact.go#L135

提交交易的输入请求json格式如下:

{
  "raw_transaction": "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"
}

对应源代码的请求对象如下:

type SubmitRequest struct {    //function submit request
    Tx types.Tx `json:"raw_transaction"`
}

结构字段说明如下:

Tx 签名完成之后的交易信息。这里需要注意该字段中的raw_transaction不是签名交易sign-transaction的全部返回结果,而是签名交易返回结果中transaction中的raw_transaction字段。

submit-transaction请求成功之后返回的json结果如下:

{
  "tx_id": "2c0624a7d251c29d4d1ad14297c69919214e78d995affd57e73fbf84ece361cd"
}

对应源代码的响应对象如下:

type submitTxResp struct {
    TxID *bc.Hash `json:"tx_id"`
}

结构字段说明如下:

TxID 交易ID,当交易被提交到交易池之后会显示该信息,否则表示交易失败

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