区块链兄弟社区，区块链技术专业问答先行者，中国区块链技术爱好者聚集地
作者：冯翔
来源：区块链兄弟
原文链接：http://www.blockchainbrother.com/article/11
著权归作者所有。商业转载请联系作者获得授权，非商业转载请注明出处。
fabric1.0正式版发布已经有一段时间了，它的神秘面纱逐步将被揭开。这里面我们和大家一起探讨一下其交易的数据结构，本期我们先发布一个交易的数据的JSON格式，让大家有一个初步影响。
{
"signature": {
"type": "Buffer",
"data": [48, 69, 2, 33, 0, 200, 153, 144, 176, 186, 238, 12, 28, 13, 16, 164, 223, 179, 50, 189, 115, 180, 213, 156, 97, 156, 57, 64, 117, 81, 201, 38, 218, 167, 0, 27, 82, 2, 32, 25, 191, 198, 32, 15, 88, 245, 2, 180, 194, 244, 221, 95, 143, 239, 55, 96, 145, 132, 193, 48, 94, 7, 21, 21, 165, 126, 148, 45, 96, 71, 237 ]
},
"payload": {
"header": {
"channel_header": {
"type": "CONFIG",
"version": 1,
"timestamp": "Fri Jun 16 2017 20:50:21 GMT+0800 (CST)",
"channel_id": "mychannel",
"tx_id": "",
"epoch": 0,
"extension": {
"type": "Buffer",
"data": [ ]
}
},
"signature_header": {
"creator": {
"Mspid": "OrdererMSP",
"IdBytes": "-----BEGIN -----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-----END -----
"
},
"nonce": {
"type": "Buffer",
"data": [171, 144, 27, 75, 48, 194, 35, 152, 160, 236, 67, 5, 131, 78, 6, 232, 246, 23, 21, 108, 25, 119, 86, 84 ]
}
}
},
"data": {
"config": {
"sequence": {
"low": 1,
"high": 0,
"unsigned": true
},
"channel_group": {
"version": 0,
"groups": {
"Application": {
"version": 1,
"groups": {
"Org1MSP": {
"version": 0,
"groups": { },
"values": {
"MSP": {
"version": 0,
"mod_policy": "Admins",
"value": {
"type": 0,
"config": {
"name": "Org1MSP",
"root_certs": [
"-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
"
],
"intermediate_certs": [ ],
"admins": [
"-----BEGIN CERTIFICATE-----
MIICLzCCAdWgAwIBAgIRAIxnzVPPeas2NV+vfBFb9TwwCgYIKoZIzj0EAwIwczEL
MAkGA1UEBhMCVVMxEzARBgNVBAgTCkNhbGlmb3JuaWExFjAUBgNVBAcTDVNhbiBG
cmFuY2lzY28xGTAXBgNVBAoTEG9yZzEuZXhhbXBsZS5jb20xHDAaBgNVBAMTE2Nh
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MBMGByqGSM49AgEGCCqGSM49AwEHA0IABGFBSzvqD34l2U+07UdUIpqE+7E+fkv6
Cn4EQnUH2ERkWPdNVAzd6p38ad2yLYCQWsHgNNMoJ+MtdkTgo7/oosqjYjBgMA4G
A1UdDwEB/wQEAwIFoDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAA
MCsGA1UdIwQkMCKAIAZF5bKlN6L5HJe6tpOW3/55u3IHSrVNOLUE30Mr8AyWMAoG
CCqGSM49BAMCA0gAMEUCIQDvNagHSBgE3i0fWP24Xo7jRK5GibMsr1YytPZXNHlU
TAIgDp24zkP7ALgv5BEpJ8LvxMF1uW+caTP3w5L6IbCbwVs=
-----END CERTIFICATE-----
"
],
"revocation_list": [ ],
"signing_identity": null,
"organizational_unit_identifiers": [ ]
}
}
}
},
"policies": {
"Readers": {
"version": 0,
"mod_policy": "Admins",
"policy": {
"type": "SIGNATURE",
"policy": {
"version": 0,
"policy": {
"Type": "n_out_of",
"n_out_of": {
"N": 1,
"policies": [
{
"Type": "signed_by",
"signed_by": 0
}
]
}
},
"identities": [
{
"principal_classification": 0,
"msp_identifier": "Org1MSP",
"Role": "MEMBER"
}
]
}
}
},
"Writers": {
"version": 0,
"mod_policy": "Admins",
"policy": {
"type": "SIGNATURE",
"policy": {
"version": 0,
"policy": {
"Type": "n_out_of",
"n_out_of": {
"N": 1,
"policies": [
{
"Type": "signed_by",
"signed_by": 0
}
]
}
},
"identities": [
{
"principal_classification": 0,
"msp_identifier": "Org1MSP",
"Role": "MEMBER"
}
]
}
}
},
"Admins": {
"version": 0,
"mod_policy": "Admins",
"policy": {
"type": "SIGNATURE",
"policy": {
"version": 0,
"policy": {
"Type": "n_out_of",
"n_out_of": {
"N": 1,
"policies": [
{
"Type": "signed_by",
"signed_by": 0
}
]
}
},
"identities": [
{
"principal_classification": 0,
"msp_identifier": "Org1MSP",
"Role": "ADMIN"
}
]
}
}
}
},
"mod_policy": "Admins"
},
"Org2MSP": {
"version": 0,
"groups": { },
"values": {
"MSP": {
"version": 0,
"mod_policy": "Admins",
"value": {
"type": 0,
"config": {
"name": "Org2MSP",
"root_certs": [
"-----BEGIN CERTIFICATE-----
MIICTDCCAfOgAwIBAgIQc0HR4WonYGKK90+8Bx4tcjAKBggqhkjOPQQDAjBzMQsw
CQYDVQQGEwJVUzETMBEGA1UECBMKQ2FsaWZvcm5pYTEWMBQGA1UEBxMNU2FuIEZy
YW5jaXNjbzEZMBcGA1UEChMQb3JnMi5leGFtcGxlLmNvbTEcMBoGA1UEAxMTY2Eu
b3JnMi5leGFtcGxlLmNvbTAeFw0xNzA2MTYxMjQ5NThaFw0yNzA2MTQxMjQ5NTha
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BFUdJQAGCCsGAQUFBwMBMA8GA1UdEwEB/wQFMAMBAf8wKQYDVR0OBCIEII8zYKLN
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sbLDr8KXerf1PqcvWVGB8w==
-----END CERTIFICATE-----
"
],
"intermediate_certs": [ ],
"admins": [
"-----BEGIN CERTIFICATE-----
MIICLjCCAdWgAwIBAgIRAJwC/XtKKkvgx6R84nnfSLowCgYIKoZIzj0EAwIwczEL
MAkGA1UEBhMCVVMxEzARBgNVBAgTCkNhbGlmb3JuaWExFjAUBgNVBAcTDVNhbiBG
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MBMGByqGSM49AgEGCCqGSM49AwEHA0IABGX4XM6qU+Iszhp329iYPVYm27L0Rk1x
Wi2Gc0h+ypjeQmyjB/YytL87p/A+RB5gVlQYTiMuHz1oCKwBo4VOHjSjYjBgMA4G
A1UdDwEB/wQEAwIFoDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAA
MCsGA1UdIwQkMCKAII8zYKLNoLytLGLJiewFy2IYJ1r6+9hUwP+xHgNKhSqEMAoG
CCqGSM49BAMCA0cAMEQCIByCstk0nDTdH4+XYVmK2jcMY94OV2VND6MqMgKenZ7g
AiBpSArzMUvgldEkT9JYJI9EoeaWxSpPBFG2/pRdalpbVQ==
-----END CERTIFICATE-----
"
],
"revocation_list": [ ],
"signing_identity": null,
"organizational_unit_identifiers": [ ]
}
}
}
},
"policies": {
"Readers": {
"version": 0,
"mod_policy": "Admins",
"policy": {
"type": "SIGNATURE",
"policy": {
"version": 0,
"policy": {
"Type": "n_out_of",
"n_out_of": {
"N": 1,
"policies": [
{
"Type": "signed_by",
"signed_by": 0
}
]
}
},
"identities": [
{
"principal_classification": 0,
"msp_identifier": "Org2MSP",
"Role": "MEMBER"
}
]
}
}
},
"Writers": {
"version": 0,
"mod_policy": "Admins",
"policy": {
"type": "SIGNATURE",
"policy": {
"version": 0,
"policy": {
"Type": "n_out_of",
"n_out_of": {
"N": 1,
"policies": [
{
"Type": "signed_by",
"signed_by": 0
}
]
}
},
"identities": [
{
"principal_classification": 0,
"msp_identifier": "Org2MSP",
"Role": "MEMBER"
}
]
}
}
},
"Admins": {
"version": 0,
"mod_policy": "Admins",
"policy": {
"type": "SIGNATURE",
"policy": {
"version": 0,
"policy": {
"Type": "n_out_of",
"n_out_of": {
"N": 1,
"policies": [
{
"Type": "signed_by",
"signed_by": 0
}
]
}
},
"identities": [
{
"principal_classification": 0,
"msp_identifier": "Org2MSP",
"Role": "ADMIN"
}
]
}
}
}
},
"mod_policy": "Admins"
}
},
"values": { },
"policies": {
"Admins": {
"version": 0,
"mod_policy": "",
"policy": {
"type": "IMPLICIT_META",
"policy": {
"sub_policy": "Admins",
"rule": "MAJORITY"
}
}
},
"Writers": {
"version": 0,
"mod_policy": "",
"policy": {
"type": "IMPLICIT_META",
"policy": {
"sub_policy": "Writers",
"rule": "ANY"
}
}
},
"Readers": {
"version": 0,
"mod_policy": "",
"policy": {
"type": "IMPLICIT_META",
"policy": {
"sub_policy": "Readers",
"rule": "ANY"
}
}
}
},
"mod_policy": "Admins"
},
"Orderer": {
"version": 0,
"groups": {
"OrdererOrg": {
"version": 0,
"groups": { },
"values": {
"MSP": {
"version": 0,
"mod_policy": "Admins",
"value": {
"type": 0,
"config": {
"name": "OrdererMSP",
"root_certs": [
"-----BEGIN CERTIFICATE-----
MIICOTCCAd+gAwIBAgIQE4Ldde1tl8wnrg1g2F9zCDAKBggqhkjOPQQDAjBpMQsw
CQYDVQQGEwJVUzETMBEGA1UECBMKQ2FsaWZvcm5pYTEWMBQGA1UEBxMNU2FuIEZy
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-----END CERTIFICATE-----
"
],
"intermediate_certs": [ ],
"admins": [
"-----BEGIN CERTIFICATE-----
MIICHzCCAcagAwIBAgIRAPlGL50lHgdSQ1SCXwsn8WMwCgYIKoZIzj0EAwIwaTEL
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BgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMCsGA1UdIwQkMCKAIDO2
zn6lKI3DOI8BCyD53RCCQMQZWA2qFne0iujGe1oWMAoGCCqGSM49BAMCA0cAMEQC
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CovZs6G4DOy1W5gHYZrFP9hXKw==
-----END CERTIFICATE-----
"
],
"revocation_list": [ ],
"signing_identity": null,
"organizational_unit_identifiers": [ ]
}
}
}
},
"policies": {
"Writers": {
"version": 0,
"mod_policy": "Admins",
"policy": {
"type": "SIGNATURE",
"policy": {
"version": 0,
"policy": {
"Type": "n_out_of",
"n_out_of": {
"N": 1,
"policies": [
{
"Type": "signed_by",
"signed_by": 0
}
]
}
},
"identities": [
{
"principal_classification": 0,
"msp_identifier": "OrdererMSP",
"Role": "MEMBER"
}
]
}
}
},
"Admins": {
"version": 0,
"mod_policy": "Admins",
"policy": {
"type": "SIGNATURE",
"policy": {
"version": 0,
"policy": {
"Type": "n_out_of",
"n_out_of": {
"N": 1,
"policies": [
{
"Type": "signed_by",
"signed_by": 0
}
]
}
},
"identities": [
{
"principal_classification": 0,
"msp_identifier": "OrdererMSP",
"Role": "ADMIN"
}
]
}
}
},
"Readers": {
"version": 0,
"mod_policy": "Admins",
"policy": {
"type": "SIGNATURE",
"policy": {
"version": 0,
"policy": {
"Type": "n_out_of",
"n_out_of": {
"N": 1,
"policies": [
{
"Type": "signed_by",
"signed_by": 0
}
]
}
},
"identities": [
{
"principal_classification": 0,
"msp_identifier": "OrdererMSP",
"Role": "MEMBER"
}
]
}
}
}
},
"mod_policy": "Admins"
}
},
"values": {
"BatchSize": {
"version": 0,
"mod_policy": "Admins",
"value": {
"maxMessageCount": 100,
"absoluteMaxBytes": 103809024,
"preferredMaxBytes": 524288
}
},
"BatchTimeout": {
"version": 0,
"mod_policy": "Admins",
"value": {
"timeout": "20s"
}
},
"ChannelRestrictions": {
"version": 0,
"mod_policy": "Admins",
"value": {
"max_count": {
"low": 0,
"high": 0,
"unsigned": true
}
}
},
"KafkaBrokers": {
"version": 0,
"mod_policy": "Admins",
"value": { }
},
"ConsensusType": {
"version": 0,
"mod_policy": "Admins",
"value": {
"type": "kafka"
}
}
},
"policies": {
"Readers": {
"version": 0,
"mod_policy": "Admins",
"policy": {
"type": "IMPLICIT_META",
"policy": {
"sub_policy": "Readers",
"rule": "ANY"
}
}
},
"Writers": {
"version": 0,
"mod_policy": "Admins",
"policy": {
"type": "IMPLICIT_META",
"policy": {
"sub_policy": "Writers",
"rule": "ANY"
}
}
},
"Admins": {
"version": 0,
"mod_policy": "Admins",
"policy": {
"type": "IMPLICIT_META",
"policy": {
"sub_policy": "Admins",
"rule": "MAJORITY"
}
}
},
"BlockValidation": {
"version": 0,
"mod_policy": "Admins",
"policy": {
"type": "IMPLICIT_META",
"policy": {
"sub_policy": "Writers",
"rule": "ANY"
}
}
}
},
"mod_policy": "Admins"
}
},
"values": {
"BlockDataHashingStructure": {
"version": 0,
"mod_policy": "Admins",
"value": {
"width": 4294967295
}
},
"OrdererAddresses": {
"version": 0,
"mod_policy": "/Channel/Orderer/Admins",
"value": {
"addresses": [
"orderer0.example.com:7050",
"orderer1.example.com:7050",
"orderer2.example.com:7050"
]
}
},
"Consortium": {
"version": 0,
"mod_policy": "",
"value": {
"name": "SampleConsortium"
}
},
"HashingAlgorithm": {
"version": 0,
"mod_policy": "Admins",
"value": {
"name": "SHA256"
}
}
},
"policies": {
"Writers": {
"version": 0,
"mod_policy": "Admins",
"policy": {
"type": "IMPLICIT_META",
"policy": {
"sub_policy": "Writers",
"rule": "ANY"
}
}
},
"Admins": {
"version": 0,
"mod_policy": "Admins",
"policy": {
"type": "IMPLICIT_META",
"policy": {
"sub_policy": "Admins",
"rule": "MAJORITY"
}
}
},
"Readers": {
"version": 0,
"mod_policy": "Admins",
"policy": {
"type": "IMPLICIT_META",
"policy": {
"sub_policy": "Readers",
"rule": "ANY"
}
}
}
},
"mod_policy": ""
}
},
"last_update": {
"payload": {
"header": {
"channel_header": {
"type": "CONFIG_UPDATE",
"version": 2,
"timestamp": "Fri Jun 16 2017 20:50:13 GMT+0800 (CST)",
"channel_id": "mychannel",
"tx_id": "",
"epoch": 0,
"extension": {
"type": "Buffer",
"data": [ ]
}
},
"signature_header": {
"creator": {
"Mspid": "Org1MSP",
"IdBytes": "-----BEGIN -----
MIICLzCCAdWgAwIBAgIRAIxnzVPPeas2NV+vfBFb9TwwCgYIKoZIzj0EAwIwczEL
MAkGA1UEBhMCVVMxEzARBgNVBAgTCkNhbGlmb3JuaWExFjAUBgNVBAcTDVNhbiBG
cmFuY2lzY28xGTAXBgNVBAoTEG9yZzEuZXhhbXBsZS5jb20xHDAaBgNVBAMTE2Nh
Lm9yZzEuZXhhbXBsZS5jb20wHhcNMTcwNjE2MTI0OTU4WhcNMjcwNjE0MTI0OTU4
WjBbMQswCQYDVQQGEwJVUzETMBEGA1UECBMKQ2FsaWZvcm5pYTEWMBQGA1UEBxMN
U2FuIEZyYW5jaXNjbzEfMB0GA1UEAwwWQWRtaW5Ab3JnMS5leGFtcGxlLmNvbTBZ
MBMGByqGSM49AgEGCCqGSM49AwEHA0IABGFBSzvqD34l2U+07UdUIpqE+7E+fkv6
Cn4EQnUH2ERkWPdNVAzd6p38ad2yLYCQWsHgNNMoJ+MtdkTgo7/oosqjYjBgMA4G
A1UdDwEB/wQEAwIFoDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAA
MCsGA1UdIwQkMCKAIAZF5bKlN6L5HJe6tpOW3/55u3IHSrVNOLUE30Mr8AyWMAoG
CCqGSM49BAMCA0gAMEUCIQDvNagHSBgE3i0fWP24Xo7jRK5GibMsr1YytPZXNHlU
TAIgDp24zkP7ALgv5BEpJ8LvxMF1uW+caTP3w5L6IbCbwVs=
-----END -----
"
},
"nonce": {
"type": "Buffer",
"data": [207, 25, 71, 252, 42, 88, 155, 30, 122, 40, 27, 37, 163, 235, 126, 235, 28, 114, 252, 204, 56, 46, 43, 24 ]
}
}
},
"data": {
"config_update": {
"channel_id": "mychannel",
"read_set": {
"version": 0,
"groups": {
"Application": {
"version": 0,
"groups": {
"Org1MSP": {
"version": 0,
"groups": { },
"values": { },
"policies": { },
"mod_policy": ""
},
"Org2MSP": {
"version": 0,
"groups": { },
"values": { },
"policies": { },
"mod_policy": ""
}
},
"values": { },
"policies": { },
"mod_policy": ""
}
},
"values": {
"Consortium": {
"version": 0,
"mod_policy": "",
"value": {
"name": "SampleConsortium"
}
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