比原链Java版本离线签名
yuan081608
post on 2022-11-13 23:54:55
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Javaimplementationofsigningtransactionofflinetobytomd.
Pre
Getthesourcecode
$gitclonehttps://github.com/Bytom/bytom.git$GOPATH/src/github.com/bytom
gitcheckout
$gitcheckoutdev
Whyneeddevbranch?Becauseyoucouldcalldecodetransactionapifromdevbranchandobtaintx_idandsomeinputsids.
Build
$cd$GOPATH/src/github.com/bytom
$makebytomd#buildbytomd
$makebytomcli#buildbytomcli
Whensuccessfullybuildingtheproject,thebytomandbytomclibinaryshouldbepresentincmd/bytomdandcmd/bytomclidirectory,respectively.
Initialize
Firstofall,initializethenode:
$cd./cmd/bytomd
$./bytomdinit--chain_idsolonet
launch
$./bytomdnode--mining
Usage
Buildjar
firstgetsourcecode
gitclonehttps://github.com/successli/tx_signer.git
getjarpackage
$mvnassembly:assembly-Dmaven.test.skip=true
Youcangetajarwithdependencies,andyoucanuseitinyourproject.
Testcases
Need3Parameters:
PrivateKeysArray
TemplateObject
AftercallbuildtransactionapireturnaTemplatejsonobject.buildtransactionapi
usebytomjavasdkreturnaTemplateobject.
RawTransaction
calldecoderaw-transactionapifromdevbranch.decoderaw-transactionapi
Callmethod:
//returnaTemplateobjectsignedofflinebasically.
Templateresult=signatures.generateSignatures(privates,template,rawTransaction);
//useresult'sraw_transactioncallsigntransactionapitobuildanotherdatabutnotneedpasswordorprivatekey.
Single-keyExample:
@Test
//使用SDK来构造Template对象参数,单签
publicvoidtestSignSingleKey()throwsBytomException{
Clientclient=Client.generateClient();
Stringasset_id="ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff";
Stringaddress="sm1qvyus3s5d7jv782syuqe3qrh65fx23lgpzf33em";
//buildtransactionobtainaTemplateobject
Templatetemplate=newTransaction.Builder()
.addAction(
newTransaction.Action.SpendFromAccount()
.setAccountId("0G0NLBNU00A02")
.setAssetId(asset_id)
.setAmount(40000000)
)
.addAction(
newTransaction.Action.SpendFromAccount()
.setAccountId("0G0NLBNU00A02")
.setAssetId(asset_id)
.setAmount(300000000)
)
.addAction(
newTransaction.Action.ControlWithAddress()
.setAddress(address)
.setAssetId(asset_id)
.setAmount(30000000)
).build(client);
logger.info("template:"+template.toJson());
//useTemplateobject'sraw_transactionidtodecoderaw_transactionobtainaRawTransactionobject
RawTransactiondecodedTx=RawTransaction.decode(client,template.rawTransaction);
logger.info("decodeTx:"+decodedTx.toJson());
//needaprivatekeyarray
String[]privateKeys=newString[]{"10fdbc41a4d3b8e5a0f50dd3905c1660e7476d4db3dbd9454fa4347500a633531c487e8174ffc0cfa76c3be6833111a9b8cd94446e37a76ee18bb21a7d6ea66b"};
logger.info("privatekey:"+privateKeys[0]);
//callofflinesignmethodtoobtainabasicofflinesignedtemplate
Signaturessignatures=newSignaturesImpl();
TemplatebasicSigned=signatures.generateSignatures(privateKeys,template,decodedTx);
logger.info("basicsignedraw:"+basicSigned.toJson());
//callsigntransactionapitocalculatewholeraw_transactionid
//signpasswordisNoneoranotherrandomString
Templateresult=newTransaction.SignerBuilder().sign(client,
basicSigned,"");
logger.info("resultraw_transaction:"+result.toJson());
//successtosubmittransaction
}
Multi-keysExample:
Needanaccounthastwoormorekeys.
@Test
//使用SDK来构造Template对象参数,多签
publicvoidtestSignMultiKeys()throwsBytomException{
Clientclient=Client.generateClient();
Stringasset_id="ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff";
Stringaddress="sm1qvyus3s5d7jv782syuqe3qrh65fx23lgpzf33em";
//buildtransactionobtainaTemplateobject
//account0G1RPP6OG0A06hastwokeys
Templatetemplate=newTransaction.Builder()
.setTtl(10)
.addAction(
newTransaction.Action.SpendFromAccount()
.setAccountId("0G1RPP6OG0A06")
.setAssetId(asset_id)
.setAmount(40000000)
)
.addAction(
newTransaction.Action.SpendFromAccount()
.setAccountId("0G1RPP6OG0A06")
.setAssetId(asset_id)
.setAmount(300000000)
)
.addAction(
newTransaction.Action.ControlWithAddress()
.setAddress(address)
.setAssetId(asset_id)
.setAmount(30000000)
).build(client);
logger.info("template:"+template.toJson());
//useTemplateobject'sraw_transactionidtodecoderaw_transactionobtainaRawTransactionobject
RawTransactiondecodedTx=RawTransaction.decode(client,template.rawTransaction);
logger.info("decodeTx:"+decodedTx.toJson());
//needaprivatekeyarray
String[]privateKeys=newString[]{"08bdbd6c22856c5747c930f64d0e5d58ded17c4473910c6c0c3f94e485833a436247976253c8e29e961041ad8dfad9309744255364323163837cbef2483b4f67",
"40c821f736f60805ad59b1fea158762fa6355e258601dfb49dda6f672092ae5adf072d5cab2ceaaa0d68dd3fe7fa04869d95afed8c20069f446a338576901e1b"};
logger.info("privatekey1:"+privateKeys[0]);
logger.info("privatekey2:"+privateKeys[1]);
//callofflinesignmethodtoobtainabasicofflinesignedtemplate
Signaturessignatures=newSignaturesImpl();
TemplatebasicSigned=signatures.generateSignatures(privateKeys,template,decodedTx);
logger.info("basicsignedraw:"+basicSigned.toJson());
//callsigntransactionapitocalculatewholeraw_transactionid
//signpasswordisNoneoranotherrandomString
Templateresult=newTransaction.SignerBuilder().sign(client,
basicSigned,"");
logger.info("resultraw_transaction:"+result.toJson());
//successtosubmittransaction
}
Multi-keysandMulti-inputsExample:
@Test
//使用SDK来构造Template对象参数,多签,多输入
publicvoidtestSignMultiKeysMultiInputs()throwsBytomException{
Clientclient=Client.generateClient();
Stringasset_id="ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff";
Stringaddress="sm1qvyus3s5d7jv782syuqe3qrh65fx23lgpzf33em";
//buildtransactionobtainaTemplateobject
Templatetemplate=newTransaction.Builder()
.setTtl(10)
//1input
.addAction(
newTransaction.Action.SpendFromAccount()
.setAccountId("0G1RPP6OG0A06")//Multi-keysaccount
.setAssetId(asset_id)
.setAmount(40000000)
)
.addAction(
newTransaction.Action.SpendFromAccount()
.setAccountId("0G1RPP6OG0A06")
.setAssetId(asset_id)
.setAmount(300000000)
)//2input
.addAction(
newTransaction.Action.SpendFromAccount()
.setAccountId("0G1Q6V1P00A02")//Multi-keysaccount
.setAssetId(asset_id)
.setAmount(40000000)
)
.addAction(
newTransaction.Action.SpendFromAccount()
.setAccountId("0G1Q6V1P00A02")
.setAssetId(asset_id)
.setAmount(300000000)
)
.addAction(
newTransaction.Action.ControlWithAddress()
.setAddress(address)
.setAssetId(asset_id)
.setAmount(60000000)
).build(client);
logger.info("template:"+template.toJson());
//useTemplateobject'sraw_transactionidtodecoderaw_transactionobtainaRawTransactionobject
RawTransactiondecodedTx=RawTransaction.decode(client,template.rawTransaction);
logger.info("decodeTx:"+decodedTx.toJson());
//needaprivatekeyarray
String[]privateKeys=newString[]{"08bdbd6c22856c5747c930f64d0e5d58ded17c4473910c6c0c3f94e485833a436247976253c8e29e961041ad8dfad9309744255364323163837cbef2483b4f67",
"40c821f736f60805ad59b1fea158762fa6355e258601dfb49dda6f672092ae5adf072d5cab2ceaaa0d68dd3fe7fa04869d95afed8c20069f446a338576901e1b",
"08bdbd6c22856c5747c930f64d0e5d58ded17c4473910c6c0c3f94e485833a436247976253c8e29e961041ad8dfad9309744255364323163837cbef2483b4f67"};
logger.info("privatekey1:"+privateKeys[0]);
logger.info("privatekey2:"+privateKeys[1]);
//callofflinesignmethodtoobtainabasicofflinesignedtemplate
Signaturessignatures=newSignaturesImpl();
TemplatebasicSigned=signatures.generateSignatures(privateKeys,template,decodedTx);
logger.info("basicsignedraw:"+basicSigned.toJson());
//callsigntransactionapitocalculatewholeraw_transactionid
//signpasswordisNoneoranotherrandomString
Templateresult=newTransaction.SignerBuilder().sign(client,
basicSigned,"");
logger.info("resultraw_transaction:"+result.toJson());
//successtosubmittransaction
}
BitMere.com is Information release platform，just provides information storage space services.
The opinions expressed are solely those of the author,Does not constitute advice, please treat with caution.
The opinions expressed are solely those of the author,Does not constitute advice, please treat with caution.
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