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transaction.go
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transaction.go
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package models
import (
"github.com/onflow/flow-go/access"
"github.com/onflow/flow-go/engine/access/rest/util"
"github.com/onflow/flow-go/model/flow"
)
func (t *Transaction) Build(tx *flow.TransactionBody, txr *access.TransactionResult, link LinkGenerator) {
args := make([]string, len(tx.Arguments))
for i, arg := range tx.Arguments {
args[i] = util.ToBase64(arg)
}
auths := make([]string, len(tx.Authorizers))
for i, auth := range tx.Authorizers {
auths[i] = auth.String()
}
// if transaction result is provided then add that to the response, else add the result link to the expandable
t.Expandable = &TransactionExpandable{}
if txr != nil {
var txResult TransactionResult
txResult.Build(txr, tx.ID(), link)
t.Result = &txResult
} else {
resultLink, _ := link.TransactionResultLink(tx.ID())
t.Expandable.Result = resultLink
}
var payloadSigs TransactionSignatures
payloadSigs.Build(tx.PayloadSignatures)
var envelopeSigs TransactionSignatures
envelopeSigs.Build(tx.EnvelopeSignatures)
var proposalKey ProposalKey
proposalKey.Build(tx.ProposalKey)
t.Id = tx.ID().String()
t.Script = util.ToBase64(tx.Script)
t.Arguments = args
t.ReferenceBlockId = tx.ReferenceBlockID.String()
t.GasLimit = util.FromUint64(tx.GasLimit)
t.Payer = tx.Payer.String()
t.ProposalKey = &proposalKey
t.Authorizers = auths
t.PayloadSignatures = payloadSigs
t.EnvelopeSignatures = envelopeSigs
self, _ := SelfLink(tx.ID(), link.TransactionLink)
t.Links = self
}
type Transactions []Transaction
func (t *Transactions) Build(transactions []*flow.TransactionBody, link LinkGenerator) {
txs := make([]Transaction, len(transactions))
for i, tr := range transactions {
var tx Transaction
tx.Build(tr, nil, link)
txs[i] = tx
}
*t = txs
}
type TransactionSignatures []TransactionSignature
func (t *TransactionSignatures) Build(signatures []flow.TransactionSignature) {
sigs := make([]TransactionSignature, len(signatures))
for i, s := range signatures {
var sig TransactionSignature
sig.Build(s)
sigs[i] = sig
}
*t = sigs
}
func (t *TransactionSignature) Build(sig flow.TransactionSignature) {
t.Address = sig.Address.String()
t.KeyIndex = util.FromUint64(sig.KeyIndex)
t.Signature = util.ToBase64(sig.Signature)
}
func (t *TransactionResult) Build(txr *access.TransactionResult, txID flow.Identifier, link LinkGenerator) {
var status TransactionStatus
status.Build(txr.Status)
var execution TransactionExecution
execution.Build(txr)
var events Events
events.Build(txr.Events)
if txr.BlockID != flow.ZeroID { // don't send back 0 ID
t.BlockId = txr.BlockID.String()
}
if txr.CollectionID != flow.ZeroID { // don't send back 0 ID
t.CollectionId = txr.CollectionID.String()
}
t.Status = &status
t.Execution = &execution
t.StatusCode = int32(txr.StatusCode)
t.ErrorMessage = txr.ErrorMessage
t.ComputationUsed = util.FromUint64(0) // todo: define this
t.Events = events
self, _ := SelfLink(txID, link.TransactionResultLink)
t.Links = self
}
func (t *TransactionStatus) Build(status flow.TransactionStatus) {
switch status {
case flow.TransactionStatusExpired:
*t = EXPIRED
case flow.TransactionStatusExecuted:
*t = EXECUTED
case flow.TransactionStatusFinalized:
*t = FINALIZED
case flow.TransactionStatusSealed:
*t = SEALED
case flow.TransactionStatusPending:
*t = PENDING
default:
*t = ""
}
}
func (t *TransactionExecution) Build(result *access.TransactionResult) {
*t = PENDING_RESULT
if result.Status == flow.TransactionStatusSealed && result.ErrorMessage == "" {
*t = SUCCESS_RESULT
}
if result.ErrorMessage != "" {
*t = FAILURE_RESULT
}
if result.Status == flow.TransactionStatusExpired {
*t = FAILURE_RESULT
}
}
func (p *ProposalKey) Build(key flow.ProposalKey) {
p.Address = key.Address.String()
p.KeyIndex = util.FromUint64(key.KeyIndex)
p.SequenceNumber = util.FromUint64(key.SequenceNumber)
}