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jobs_proposal.go
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/
jobs_proposal.go
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package jobs
import (
"encoding/json"
"fmt"
"github.com/hyperledger/burrow/acm/acmstate"
"github.com/hyperledger/burrow/binary"
"github.com/hyperledger/burrow/crypto"
"github.com/hyperledger/burrow/deploy/def"
"github.com/hyperledger/burrow/deploy/proposals"
"github.com/hyperledger/burrow/deploy/util"
"github.com/hyperledger/burrow/logging"
"github.com/hyperledger/burrow/txs"
"github.com/hyperledger/burrow/txs/payload"
)
func getAcccountSequence(seq string, addressStr string, seqCache *acmstate.Cache) (string, error) {
if seq != "" {
return seq, nil
}
address, err := crypto.AddressFromHexString(addressStr)
if err != nil {
return "", err
}
acc, err := seqCache.GetAccount(address)
if err != nil {
return "", err
}
acc.Sequence++
err = seqCache.UpdateAccount(acc)
return fmt.Sprintf("%d", acc.Sequence), err
}
func recurseJobs(proposeBatch *payload.BatchTx, jobs []*def.Job, prop *def.Proposal, do *def.DeployArgs, parentScript *def.Playbook, client *def.Client, seqCache *acmstate.Cache, logger *logging.Logger) error {
script := def.Playbook{Jobs: jobs, Account: useDefault(prop.Source, parentScript.Account), Parent: parentScript, BinPath: parentScript.BinPath}
for _, job := range script.Jobs {
load, err := job.Payload()
if err != nil {
return fmt.Errorf("could not get Job payload: %v", load)
}
err = util.PreProcessFields(load, do, &script, client, logger)
if err != nil {
return err
}
// Revalidate with possible replacements
err = load.Validate()
if err != nil {
return fmt.Errorf("error validating job %s after pre-processing variables: %v", job.Name, err)
}
switch load.(type) {
case *def.Meta:
announceProposalJob(job.Name, "Meta", logger)
// load the package
err = recurseJobs(proposeBatch, job.Meta.Playbook.Jobs, prop, do, &script, client, seqCache, logger)
if err != nil {
return err
}
case *def.UpdateAccount:
announceProposalJob(job.Name, "UpdateAccount", logger)
job.UpdateAccount.Source = useDefault(job.UpdateAccount.Source, script.Account)
job.UpdateAccount.Sequence, err = getAcccountSequence(job.UpdateAccount.Sequence, job.UpdateAccount.Source, seqCache)
if err != nil {
return err
}
tx, _, err := FormulateUpdateAccountJob(job.UpdateAccount, script.Account, client, logger)
if err != nil {
return err
}
proposeBatch.Txs = append(proposeBatch.Txs, &payload.Any{GovTx: tx})
case *def.RegisterName:
announceProposalJob(job.Name, "RegisterName", logger)
job.RegisterName.Source = useDefault(job.RegisterName.Source, script.Account)
job.RegisterName.Sequence, err = getAcccountSequence(job.RegisterName.Sequence, job.RegisterName.Source, seqCache)
if err != nil {
return err
}
txs, err := FormulateRegisterNameJob(job.RegisterName, do, &script, client, logger)
if err != nil {
return err
}
for _, tx := range txs {
proposeBatch.Txs = append(proposeBatch.Txs, &payload.Any{NameTx: tx})
}
case *def.Call:
announceProposalJob(job.Name, "Call", logger)
job.Call.Source = useDefault(job.Call.Source, script.Account)
job.Call.Sequence, err = getAcccountSequence(job.Call.Sequence, job.Call.Source, seqCache)
if err != nil {
return err
}
tx, err := FormulateCallJob(job.Call, do, &script, client, logger)
if err != nil {
return err
}
proposeBatch.Txs = append(proposeBatch.Txs, &payload.Any{CallTx: tx})
case *def.Deploy:
announceProposalJob(job.Name, "Deploy", logger)
job.Deploy.Source = useDefault(job.Deploy.Source, script.Account)
job.Deploy.Sequence, err = getAcccountSequence(job.Deploy.Sequence, job.Deploy.Source, seqCache)
if err != nil {
return err
}
deployTxs, _, err := FormulateDeployJob(job.Deploy, do, &script, client, job.Intermediate, logger)
if err != nil {
return err
}
var deployAddress crypto.Address
// Predict address
callee, err := crypto.AddressFromHexString(job.Deploy.Source)
if err != nil {
return err
}
for _, tx := range deployTxs {
proposeBatch.Txs = append(proposeBatch.Txs, &payload.Any{CallTx: tx})
txEnv := txs.NewTx(tx)
deployAddress = crypto.NewContractAddress(callee, txEnv.Hash())
}
job.Result = deployAddress.String()
case *def.Permission:
announceProposalJob(job.Name, "Permission", logger)
job.Permission.Source = useDefault(job.Permission.Source, script.Account)
job.Permission.Sequence, err = getAcccountSequence(job.Permission.Sequence, job.Permission.Source, seqCache)
if err != nil {
return err
}
tx, err := FormulatePermissionJob(job.Permission, script.Account, client, logger)
if err != nil {
return err
}
proposeBatch.Txs = append(proposeBatch.Txs, &payload.Any{PermsTx: tx})
case *def.Send:
announceProposalJob(job.Name, "Send", logger)
job.Send.Source = useDefault(job.Send.Source, script.Account)
job.Send.Sequence, err = getAcccountSequence(job.Send.Sequence, job.Send.Source, seqCache)
if err != nil {
return err
}
tx, err := FormulateSendJob(job.Send, script.Account, client, logger)
if err != nil {
return err
}
proposeBatch.Txs = append(proposeBatch.Txs, &payload.Any{SendTx: tx})
case *def.QueryContract:
announceProposalJob(job.Name, "Query Contract", logger)
logger.InfoMsg("Query Contract jobs are IGNORED in proposals")
case *def.Assert:
announceProposalJob(job.Name, "Assert", logger)
logger.InfoMsg("Assert jobs are IGNORED in proposals")
default:
return fmt.Errorf("jobs %s illegal job type for proposal", job.Name)
}
}
return nil
}
func ProposalJob(prop *def.Proposal, do *def.DeployArgs, parentScript *def.Playbook, client *def.Client, logger *logging.Logger) (string, error) {
var proposeBatch payload.BatchTx
seqCache := acmstate.NewCache(client)
err := recurseJobs(&proposeBatch, prop.Jobs, prop, do, parentScript, client, seqCache, logger)
if err != nil {
return "", err
}
proposal := payload.Proposal{Name: prop.Name, Description: prop.Description, BatchTx: &proposeBatch}
proposalInput, err := client.TxInput(prop.ProposalAddress, "", prop.ProposalSequence, false, logger)
if err != nil {
return "", err
}
proposal.BatchTx.Inputs = []*payload.TxInput{proposalInput}
proposalHash := proposal.Hash()
var proposalTx *payload.ProposalTx
if do.ProposeVerify {
ballot, err := client.GetProposal(proposalHash, logger)
if err != nil {
logger.InfoMsg("Proposal could NOT be verified", "error", err)
return "", err
}
err = proposals.ProposalExpired(ballot.Proposal, client, logger)
if err != nil {
logger.InfoMsg("Proposal verify FAILED", "error", err)
return "", err
}
voteAddresses := make([]string, 0, len(ballot.Votes))
for _, v := range ballot.Votes {
voteAddresses = append(voteAddresses, v.Address.String())
}
logger.InfoMsg("Proposal VERIFY SUCCESSFUL",
"votes count", len(ballot.Votes),
"votes", voteAddresses)
return "", err
} else if do.ProposeVote {
ballot, err := client.GetProposal(proposalHash, logger)
if err != nil {
logger.InfoMsg("Proposal could not be found", "error", err)
return "", err
}
err = proposals.ProposalExpired(ballot.Proposal, client, logger)
if err != nil {
logger.InfoMsg("Proposal error", "error", err)
return "", err
}
// proposal is there and current, let's vote for it
input, err := client.TxInput(parentScript.Account, "", prop.Sequence, true, logger)
if err != nil {
return "", err
}
logger.InfoMsg("Voting for proposal", "hash", proposalHash)
h := binary.HexBytes(proposalHash)
proposalTx = &payload.ProposalTx{ProposalHash: &h, VotingWeight: 1, Input: input}
} else if do.ProposeCreate {
input, err := client.TxInput(useDefault(prop.Source, parentScript.Account), "", prop.Sequence, true, logger)
if err != nil {
return "", err
}
logger.InfoMsg("Creating Proposal", "hash", proposalHash)
bs, _ := json.Marshal(proposal)
logger.TraceMsg("Proposal json", "json", string(bs))
proposalTx = &payload.ProposalTx{VotingWeight: 1, Input: input, Proposal: &proposal}
} else {
logger.InfoMsg("please specify one of --proposal-create, --proposal-vote, --proposal-verify")
return "", nil
}
txe, err := client.SignAndBroadcast(proposalTx, logger)
if err != nil {
var err = util.ChainErrorHandler(proposalTx.Input.Address.String(), err, logger)
return "", err
}
result := fmt.Sprintf("%X", txe.Receipt.TxHash)
return result, nil
}