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transactionauth.go
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transactionauth.go
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package zcncore
import (
"encoding/json"
"fmt"
"net/http"
"time"
"github.com/0chain/gosdk/core/transaction"
"github.com/0chain/gosdk/core/util"
"github.com/0chain/gosdk/core/zcncrypto"
)
type TransactionWithAuth struct {
t *Transaction
}
func newTransactionWithAuth(cb TransactionCallback, txnFee int64) (*TransactionWithAuth, error) {
ta := &TransactionWithAuth{}
var err error
ta.t, err = newTransaction(cb, txnFee)
return ta, err
}
func (ta *TransactionWithAuth) getAuthorize() (*transaction.Transaction, error) {
ta.t.txn.PublicKey = _config.wallet.Keys[0].PublicKey
err := ta.t.txn.ComputeHashAndSign(signFn)
if err != nil {
return nil, fmt.Errorf("signing error. %v", err.Error())
}
req, err := util.NewHTTPPostRequest(_config.authUrl+"/transaction", ta.t.txn)
if err != nil {
return nil, fmt.Errorf("new post request failed for auth %v", err.Error())
}
res, err := req.Post()
if err != nil {
return nil, errNetwork
}
if res.StatusCode != http.StatusOK {
if res.StatusCode == http.StatusUnauthorized {
return nil, errUserRejected
}
return nil, fmt.Errorf("auth error: %v. %v", res.Status, res.Body)
}
var txnResp transaction.Transaction
err = json.Unmarshal([]byte(res.Body), &txnResp)
if err != nil {
return nil, fmt.Errorf("invalid json on auth response. %v", err)
}
Logger.Debug(txnResp)
// Verify the signature on the result
ok, err := txnResp.VerifyTransaction(verifyFn)
if err != nil {
Logger.Error("verification failed for txn from auth", err.Error())
return nil, errAuthVerifyFailed
}
if !ok {
ta.completeTxn(StatusAuthVerifyFailed, "", errAuthVerifyFailed)
return nil, errAuthVerifyFailed
}
return &txnResp, nil
}
func (ta *TransactionWithAuth) completeTxn(status int, out string, err error) {
// do error code translation
if status != StatusSuccess {
switch err {
case errNetwork:
status = StatusNetworkError
case errUserRejected:
status = StatusRejectedByUser
case errAuthVerifyFailed:
status = StatusAuthVerifyFailed
case errAuthTimeout:
status = StatusAuthTimeout
}
}
ta.t.completeTxn(status, out, err)
}
func (ta *TransactionWithAuth) SetTransactionCallback(cb TransactionCallback) error {
return ta.t.SetTransactionCallback(cb)
}
func (ta *TransactionWithAuth) SetTransactionFee(txnFee int64) error {
return ta.t.SetTransactionFee(txnFee)
}
func verifyFn(signature, msgHash, publicKey string) (bool, error) {
v := zcncrypto.NewSignatureScheme(_config.chain.SignatureScheme)
v.SetPublicKey(publicKey)
ok, err := v.Verify(signature, msgHash)
if err != nil || ok == false {
return false, fmt.Errorf(`{"error": "signature_mismatch"}`)
}
return true, nil
}
func (ta *TransactionWithAuth) sign(otherSig string) error {
ta.t.txn.ComputeHashData()
sig := zcncrypto.NewSignatureScheme(_config.chain.SignatureScheme)
sig.SetPrivateKey(_config.wallet.Keys[0].PrivateKey)
var err error
ta.t.txn.Signature, err = sig.Add(otherSig, ta.t.txn.Hash)
return err
}
func (ta *TransactionWithAuth) submitTxn() {
authTxn, err := ta.getAuthorize()
if err != nil {
Logger.Error("get auth error for send.", err.Error())
ta.completeTxn(StatusAuthError, "", err)
return
}
// Authorized by user. Give callback to app.
if ta.t.txnCb != nil {
ta.t.txnCb.OnAuthComplete(ta.t, StatusSuccess)
}
// Use the timestamp from auth and sign
ta.t.txn.CreationDate = authTxn.CreationDate
err = ta.sign(authTxn.Signature)
if err != nil {
ta.completeTxn(StatusError, "", errAddSignature)
}
ta.t.submitTxn()
}
func (ta *TransactionWithAuth) Send(toClientID string, val int64, desc string) error {
go func() {
ta.t.txn.TransactionType = transaction.TxnTypeSend
ta.t.txn.ToClientID = toClientID
ta.t.txn.Value = val
ta.t.txn.TransactionData = desc
ta.submitTxn()
}()
return nil
}
func (ta *TransactionWithAuth) StoreData(data string) error {
go func() {
ta.t.txn.TransactionType = transaction.TxnTypeData
ta.t.txn.TransactionData = data
ta.submitTxn()
}()
return nil
}
// ExecuteFaucetSCWallet impements the Faucet Smart contract for a given wallet
func (ta *TransactionWithAuth) ExecuteFaucetSCWallet(walletStr string, methodName string, input []byte) error {
w, err := ta.t.createFaucetSCWallet(walletStr, methodName, input)
if err != nil {
return err
}
go func() {
ta.t.txn.ComputeHashAndSignWithWallet(signWithWallet, w)
ta.submitTxn()
}()
return nil
}
func (ta *TransactionWithAuth) ExecuteSmartContract(address, methodName, jsoninput string, val int64) error {
scData := make(map[string]interface{})
json.Unmarshal([]byte(jsoninput), &scData)
err := ta.t.createSmartContractTxn(address, methodName, scData, val)
if err != nil {
return err
}
go func() {
ta.submitTxn()
}()
return nil
}
func (ta *TransactionWithAuth) SetTransactionHash(hash string) error {
return ta.t.SetTransactionHash(hash)
}
func (ta *TransactionWithAuth) GetTransactionHash() string {
return ta.t.GetTransactionHash()
}
func (ta *TransactionWithAuth) Verify() error {
return ta.t.Verify()
}
func (ta *TransactionWithAuth) GetVerifyOutput() string {
return ta.t.GetVerifyOutput()
}
func (ta *TransactionWithAuth) GetTransactionError() string {
return ta.t.GetTransactionError()
}
func (ta *TransactionWithAuth) GetVerifyError() string {
return ta.t.GetVerifyError()
}
func (ta *TransactionWithAuth) Output() []byte {
return []byte(ta.t.txnOut)
}
// ========================================================================== //
// vesting pool //
// ========================================================================== //
func (ta *TransactionWithAuth) VestingTrigger(poolID string) (err error) {
err = ta.t.vestingPoolTxn(transaction.VESTING_TRIGGER, poolID, 0)
if err != nil {
Logger.Error(err)
return
}
go func() { ta.submitTxn() }()
return
}
func (ta *TransactionWithAuth) VestingStop(sr *VestingStopRequest) (err error) {
err = ta.t.createSmartContractTxn(VestingSmartContractAddress,
transaction.VESTING_STOP, sr, 0)
if err != nil {
Logger.Error(err)
return
}
go func() { ta.submitTxn() }()
return
}
func (ta *TransactionWithAuth) VestingUnlock(poolID string) (err error) {
err = ta.t.vestingPoolTxn(transaction.VESTING_UNLOCK, poolID, 0)
if err != nil {
Logger.Error(err)
return
}
go func() { ta.submitTxn() }()
return
}
func (ta *TransactionWithAuth) VestingAdd(ar *VestingAddRequest,
value int64) (err error) {
err = ta.t.createSmartContractTxn(VestingSmartContractAddress,
transaction.VESTING_ADD, ar, value)
if err != nil {
Logger.Error(err)
return
}
go func() { ta.submitTxn() }()
return
}
func (ta *TransactionWithAuth) VestingDelete(poolID string) (err error) {
err = ta.t.vestingPoolTxn(transaction.VESTING_DELETE, poolID, 0)
if err != nil {
Logger.Error(err)
return
}
go func() { ta.submitTxn() }()
return
}
func (ta *TransactionWithAuth) VestingUpdateConfig(
vscc *VestingSCConfig) (err error) {
err = ta.t.createSmartContractTxn(VestingSmartContractAddress,
transaction.VESTING_UPDATE_CONFIG, vscc, 0)
if err != nil {
Logger.Error(err)
return
}
go func() { ta.submitTxn() }()
return
}
//
// miner sc
//
func (ta *TransactionWithAuth) MinerSCSettings(info *MinerSCMinerInfo) (
err error) {
err = ta.t.createSmartContractTxn(MinerSmartContractAddress,
transaction.MINERSC_SETTINGS, info, 0)
if err != nil {
Logger.Error(err)
return
}
go func() { ta.submitTxn() }()
return
}
func (ta *TransactionWithAuth) MinerSCLock(minerID string,
lock int64) (err error) {
var mscl MinerSCLock
mscl.ID = minerID
err = ta.t.createSmartContractTxn(MinerSmartContractAddress,
transaction.MINERSC_LOCK, &mscl, lock)
if err != nil {
Logger.Error(err)
return
}
go func() { ta.submitTxn() }()
return
}
func (ta *TransactionWithAuth) MienrSCUnlock(nodeID, poolID string) (
err error) {
var mscul MinerSCUnlock
mscul.ID = nodeID
mscul.PoolID = poolID
err = ta.t.createSmartContractTxn(MinerSmartContractAddress,
transaction.MINERSC_UNLOCK, &mscul, 0)
if err != nil {
Logger.Error(err)
return
}
go func() { ta.submitTxn() }()
return
}
//
// interest pool
//
func (ta *TransactionWithAuth) LockTokens(val int64, durationHr int64, durationMin int) error {
err := ta.t.createLockTokensTxn(val, durationHr, durationMin)
if err != nil {
Logger.Error(err)
return err
}
go func() {
ta.submitTxn()
}()
return nil
}
func (ta *TransactionWithAuth) UnlockTokens(poolID string) error {
err := ta.t.createUnlockTokensTxn(poolID)
if err != nil {
Logger.Error(err)
return err
}
go func() {
ta.submitTxn()
}()
return nil
}
//RegisterMultiSig register a multisig wallet with the SC.
func (ta *TransactionWithAuth) RegisterMultiSig(walletstr string, mswallet string) error {
return fmt.Errorf("not implemented")
}
//
// Storage SC
//
// FinalizeAllocation transaction.
func (ta *TransactionWithAuth) FinalizeAllocation(allocID string, fee int64) (
err error) {
type finiRequest struct {
AllocationID string `json:"allocation_id"`
}
err = ta.t.createSmartContractTxn(StorageSmartContractAddress,
transaction.STORAGESC_FINALIZE_ALLOCATION, &finiRequest{
AllocationID: allocID,
}, 0)
if err != nil {
Logger.Error(err)
return
}
ta.t.SetTransactionFee(fee)
go func() { ta.submitTxn() }()
return
}
// CancelAllocation transaction.
func (ta *TransactionWithAuth) CancelAllocation(allocID string, fee int64) (
err error) {
type cancelRequest struct {
AllocationID string `json:"allocation_id"`
}
err = ta.t.createSmartContractTxn(StorageSmartContractAddress,
transaction.STORAGESC_CANCEL_ALLOCATION, &cancelRequest{
AllocationID: allocID,
}, 0)
if err != nil {
Logger.Error(err)
return
}
ta.t.SetTransactionFee(fee)
go func() { ta.submitTxn() }()
return
}
// CreateAllocation transaction.
func (ta *TransactionWithAuth) CreateAllocation(car *CreateAllocationRequest,
lock, fee int64) (err error) {
err = ta.t.createSmartContractTxn(StorageSmartContractAddress,
transaction.STORAGESC_CREATE_ALLOCATION, car, lock)
if err != nil {
Logger.Error(err)
return
}
ta.t.SetTransactionFee(fee)
go func() { ta.submitTxn() }()
return
}
// CreateReadPool for current user.
func (ta *TransactionWithAuth) CreateReadPool(fee int64) (err error) {
err = ta.t.createSmartContractTxn(StorageSmartContractAddress,
transaction.STORAGESC_CREATE_READ_POOL, nil, 0)
if err != nil {
Logger.Error(err)
return
}
ta.t.SetTransactionFee(fee)
go func() { ta.submitTxn() }()
return
}
// ReadPoolLock locks tokens for current user and given allocation, using given
// duration. If blobberID is not empty, then tokens will be locked for given
// allocation->blobber only.
func (ta *TransactionWithAuth) ReadPoolLock(allocID, blobberID string,
duration int64, lock, fee int64) (err error) {
type lockRequest struct {
Duration time.Duration `json:"duration"`
AllocationID string `json:"allocation_id"`
BlobberID string `json:"blobber_id,omitempty"`
}
var lr lockRequest
lr.Duration = time.Duration(duration)
lr.AllocationID = allocID
lr.BlobberID = blobberID
err = ta.t.createSmartContractTxn(StorageSmartContractAddress,
transaction.STORAGESC_READ_POOL_LOCK, &lr, lock)
if err != nil {
Logger.Error(err)
return
}
ta.t.SetTransactionFee(fee)
go func() { ta.submitTxn() }()
return
}
// ReadPoolUnlock for current user and given pool.
func (ta *TransactionWithAuth) ReadPoolUnlock(poolID string, fee int64) (
err error) {
type unlockRequest struct {
PoolID string `json:"pool_id"`
}
err = ta.t.createSmartContractTxn(StorageSmartContractAddress,
transaction.STORAGESC_READ_POOL_UNLOCK, &unlockRequest{
PoolID: poolID,
}, 0)
if err != nil {
Logger.Error(err)
return
}
ta.t.SetTransactionFee(fee)
go func() { ta.submitTxn() }()
return
}
// StakePoolLock used to lock tokens in a stake pool of a blobber.
func (ta *TransactionWithAuth) StakePoolLock(blobberID string,
lock, fee int64) (err error) {
type stakePoolRequest struct {
BlobberID string `json:"blobber_id"`
}
var spr stakePoolRequest
spr.BlobberID = blobberID
err = ta.t.createSmartContractTxn(StorageSmartContractAddress,
transaction.STORAGESC_STAKE_POOL_LOCK, &spr, lock)
if err != nil {
Logger.Error(err)
return
}
ta.t.SetTransactionFee(fee)
go func() { ta.submitTxn() }()
return
}
// StakePoolUnlock by blobberID and poolID.
func (ta *TransactionWithAuth) StakePoolUnlock(blobberID, poolID string,
fee int64) (err error) {
type stakePoolRequest struct {
BlobberID string `json:"blobber_id"`
PoolID string `json:"pool_id"`
}
var spr stakePoolRequest
spr.BlobberID = blobberID
spr.PoolID = poolID
err = ta.t.createSmartContractTxn(StorageSmartContractAddress,
transaction.STORAGESC_STAKE_POOL_UNLOCK, &spr, 0)
if err != nil {
Logger.Error(err)
return
}
ta.t.SetTransactionFee(fee)
go func() { ta.submitTxn() }()
return
}
// StakePoolPayInterests trigger interests payments.
func (ta *TransactionWithAuth) StakePoolPayInterests(blobberID string,
fee int64) (err error) {
type stakePoolRequest struct {
BlobberID string `json:"blobber_id"`
}
var spr stakePoolRequest
spr.BlobberID = blobberID
err = ta.t.createSmartContractTxn(StorageSmartContractAddress,
transaction.STORAGESC_STAKE_POOL_PAY_INTERESTS, &spr, 0)
if err != nil {
Logger.Error(err)
return
}
ta.t.SetTransactionFee(fee)
go func() { ta.submitTxn() }()
return
}
// UpdateBlobberSettings update settings of a blobber.
func (ta *TransactionWithAuth) UpdateBlobberSettings(blob *Blobber, fee int64) (
err error) {
err = ta.t.createSmartContractTxn(StorageSmartContractAddress,
transaction.STORAGESC_UPDATE_BLOBBER_SETTINGS, blob, 0)
if err != nil {
Logger.Error(err)
return
}
ta.t.SetTransactionFee(fee)
go func() { ta.submitTxn() }()
return
}
// UpdateAllocation transaction.
func (ta *TransactionWithAuth) UpdateAllocation(allocID string, sizeDiff int64,
expirationDiff int64, lock, fee int64) (err error) {
type updateAllocationRequest struct {
ID string `json:"id"` // allocation id
Size int64 `json:"size"` // difference
Expiration int64 `json:"expiration_date"` // difference
}
var uar updateAllocationRequest
uar.ID = allocID
uar.Size = sizeDiff
uar.Expiration = expirationDiff
err = ta.t.createSmartContractTxn(StorageSmartContractAddress,
transaction.STORAGESC_UPDATE_ALLOCATION, &uar, lock)
if err != nil {
Logger.Error(err)
return
}
ta.t.SetTransactionFee(fee)
go func() { ta.submitTxn() }()
return
}
// WritePoolLock locks tokens for current user and given allocation, using given
// duration. If blobberID is not empty, then tokens will be locked for given
// allocation->blobber only.
func (ta *TransactionWithAuth) WritePoolLock(allocID, blobberID string,
duration int64, lock, fee int64) (err error) {
type lockRequest struct {
Duration time.Duration `json:"duration"`
AllocationID string `json:"allocation_id"`
BlobberID string `json:"blobber_id,omitempty"`
}
var lr lockRequest
lr.Duration = time.Duration(duration)
lr.AllocationID = allocID
lr.BlobberID = blobberID
err = ta.t.createSmartContractTxn(StorageSmartContractAddress,
transaction.STORAGESC_WRITE_POOL_LOCK, &lr, lock)
if err != nil {
Logger.Error(err)
return
}
ta.t.SetTransactionFee(fee)
go func() { ta.submitTxn() }()
return
}
// WritePoolUnlock for current user and given pool.
func (ta *TransactionWithAuth) WritePoolUnlock(poolID string, fee int64) (
err error) {
type unlockRequest struct {
PoolID string `json:"pool_id"`
}
err = ta.t.createSmartContractTxn(StorageSmartContractAddress,
transaction.STORAGESC_WRITE_POOL_UNLOCK, &unlockRequest{
PoolID: poolID,
}, 0)
if err != nil {
Logger.Error(err)
return
}
ta.t.SetTransactionFee(fee)
go func() { ta.submitTxn() }()
return
}