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Bytom交易说明(账户管理模式)

Bytom交易说明(账户管理模式)

作者: 比原链Bytom | 来源:发表于2018-09-10 07:54 被阅读0次

    比原项目仓库:

    Github地址:https://github.com/Bytom/bytom

    Gitee地址:https://gitee.com/BytomBlockchain/bytom

    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": "070100020161015f1190c60818b4aff485c865113c802942f29ce09088cae1b117fc4c8db2292212ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff8099c4d599010001160014a86c83ee12e6d790fb388345cc2e2b87056a077301000161015fb018097c4040c8dd86d95611a13c24f90d4c9d9d06b25f5c9ed0556ac8abd73442275aacbeda1522cd41580f875c3c452daf5174b17ba062bf0ab71a568c123f80a094a58d1d0101160014068840e56af74038571f223b1c99f1b60caaf456010003013effffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff80bfffcb9901011600140b946646626c55a52a325c8bb48de792284d9b7200013e42275aacbeda1522cd41580f875c3c452daf5174b17ba062bf0ab71a568c123f9d9f94a58d1d01160014c8b4391bab4923a83b955170d24ee4ca5b6ec3fb00013942275aacbeda1522cd41580f875c3c452daf5174b17ba062bf0ab71a568c123f6301160014366b275ed9b2266b645cf1b8be51009cc3b260e100",
        "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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