neo-go/pkg/services/oracle/nodes.go

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2020-09-25 14:39:11 +00:00
package oracle
import (
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/encoding/address"
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
"github.com/nspcc-dev/neo-go/pkg/wallet"
"go.uber.org/zap"
)
// UpdateOracleNodes updates oracle nodes list.
func (o *Oracle) UpdateOracleNodes(oracleNodes keys.PublicKeys) {
o.accMtx.Lock()
defer o.accMtx.Unlock()
old := o.oracleNodes
if isEqual := len(old) == len(oracleNodes); isEqual {
for i := range old {
if !old[i].Equal(oracleNodes[i]) {
isEqual = false
break
}
}
if isEqual {
return
}
}
var acc *wallet.Account
for i := range oracleNodes {
acc = o.wallet.GetAccount(oracleNodes[i].GetScriptHash())
if acc != nil {
if acc.PrivateKey() != nil {
break
}
err := acc.Decrypt(o.MainCfg.UnlockWallet.Password)
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if err != nil {
o.Log.Error("can't unlock account",
zap.String("address", address.Uint160ToString(acc.Contract.ScriptHash())),
zap.Error(err))
o.currAccount = nil
return
}
break
}
}
o.currAccount = acc
o.oracleSignContract, _ = smartcontract.CreateDefaultMultiSigRedeemScript(oracleNodes)
o.oracleNodes = oracleNodes
}
func (o *Oracle) getAccount() *wallet.Account {
o.accMtx.RLock()
defer o.accMtx.RUnlock()
return o.currAccount
}
func (o *Oracle) getOracleNodes() keys.PublicKeys {
o.accMtx.RLock()
defer o.accMtx.RUnlock()
return o.oracleNodes
}
func (o *Oracle) getOracleSignContract() []byte {
o.accMtx.RLock()
defer o.accMtx.RUnlock()
return o.oracleSignContract
}