init: celo wip

This commit is contained in:
2022-11-30 09:51:24 +00:00
commit 0ffd116c05
35 changed files with 2775 additions and 0 deletions

View File

@@ -0,0 +1,41 @@
package task
import (
"context"
"encoding/json"
"fmt"
"github.com/celo-org/celo-blockchain/common"
"github.com/celo-org/celo-blockchain/core/types"
celo "github.com/grassrootseconomics/cic-celo-sdk"
"github.com/grassrootseconomics/w3-celo-patch/module/eth"
"github.com/hibiken/asynq"
)
type TxPayload struct {
Tx *types.Transaction `json:"tx"`
}
func TxDispatch(
celoProvider *celo.Provider,
) func(context.Context, *asynq.Task) error {
return func(ctx context.Context, t *asynq.Task) error {
var (
p TxPayload
txHash common.Hash
)
if err := json.Unmarshal(t.Payload(), &p); err != nil {
return fmt.Errorf("json.Unmarshal failed: %v: %w", err, asynq.SkipRetry)
}
if err := celoProvider.Client.CallCtx(
ctx,
eth.SendTx(p.Tx).Returns(&txHash),
); err != nil {
return err
}
return nil
}
}

View File

@@ -0,0 +1,273 @@
package task
import (
"context"
"encoding/json"
"fmt"
"math/big"
"github.com/bsm/redislock"
celo "github.com/grassrootseconomics/cic-celo-sdk"
"github.com/grassrootseconomics/cic-custodial/internal/nonce"
"github.com/grassrootseconomics/cic-custodial/internal/tasker"
"github.com/grassrootseconomics/w3-celo-patch"
"github.com/grassrootseconomics/w3-celo-patch/module/eth"
"github.com/hibiken/asynq"
)
type SystemPayload struct {
PublicKey string `json:"publicKey"`
}
func PrepareAccount(
nonceProvider nonce.Noncestore,
taskerClient *tasker.TaskerClient,
) func(context.Context, *asynq.Task) error {
return func(ctx context.Context, t *asynq.Task) error {
var p SystemPayload
if err := json.Unmarshal(t.Payload(), &p); err != nil {
return fmt.Errorf("json.Unmarshal failed: %v: %w", err, asynq.SkipRetry)
}
if err := nonceProvider.SetNewAccountNonce(ctx, p.PublicKey); err != nil {
return err
}
_, err := taskerClient.CreateTask(
tasker.GiftGasTask,
tasker.DefaultPriority,
&tasker.Task{
Payload: t.Payload(),
},
)
if err != nil {
return err
}
_, err = taskerClient.CreateTask(
tasker.GiftTokenTask,
tasker.DefaultPriority,
&tasker.Task{
Payload: t.Payload(),
},
)
if err != nil {
return err
}
return nil
}
}
func GiftGasProcessor(
celoProvider *celo.Provider,
nonceProvider nonce.Noncestore,
lockProvider *redislock.Client,
system *tasker.SystemContainer,
taskerClient *tasker.TaskerClient,
) func(context.Context, *asynq.Task) error {
return func(ctx context.Context, t *asynq.Task) error {
var p SystemPayload
if err := json.Unmarshal(t.Payload(), &p); err != nil {
return fmt.Errorf("json.Unmarshal failed: %v: %w", err, asynq.SkipRetry)
}
lock, err := lockProvider.Obtain(ctx, system.LockPrefix+system.PublicKey, system.LockTimeout, nil)
if err != nil {
return err
}
defer lock.Release(ctx)
nonce, err := nonceProvider.Acquire(ctx, system.PublicKey)
if err != nil {
return err
}
builtTx, err := celoProvider.SignGasTransferTx(
system.PrivateKey,
celo.GasTransferTxOpts{
To: w3.A(p.PublicKey),
Nonce: nonce,
Value: system.GiftableGasValue,
GasPrice: celo.FixedMinGas,
},
)
if err != nil {
if err := nonceProvider.Return(ctx, p.PublicKey); err != nil {
return err
}
return fmt.Errorf("nonce.Return failed: %v: %w", err, asynq.SkipRetry)
}
disptachJobPayload, err := json.Marshal(TxPayload{
Tx: builtTx,
})
if err != nil {
return fmt.Errorf("json.Marshal failed: %v: %w", err, asynq.SkipRetry)
}
_, err = taskerClient.CreateTask(
tasker.TxDispatchTask,
tasker.HighPriority,
&tasker.Task{
Payload: disptachJobPayload,
},
)
if err != nil {
return err
}
return nil
}
}
func GiftTokenProcessor(
celoProvider *celo.Provider,
nonceProvider nonce.Noncestore,
lockProvider *redislock.Client,
system *tasker.SystemContainer,
taskerClient *tasker.TaskerClient,
) func(context.Context, *asynq.Task) error {
return func(ctx context.Context, t *asynq.Task) error {
var p SystemPayload
if err := json.Unmarshal(t.Payload(), &p); err != nil {
return fmt.Errorf("json.Unmarshal failed: %v: %w", err, asynq.SkipRetry)
}
publicKey := w3.A(p.PublicKey)
lock, err := lockProvider.Obtain(ctx, system.LockPrefix+system.PublicKey, system.LockTimeout, nil)
if err != nil {
return err
}
defer lock.Release(ctx)
nonce, err := nonceProvider.Acquire(ctx, system.PublicKey)
if err != nil {
return err
}
abi, err := w3.NewFunc("mint(address,uint256)", "")
if err != nil {
return err
}
input, err := abi.EncodeArgs(publicKey, system.GiftableTokenValue)
if err != nil {
return fmt.Errorf("ABI encode failed %v: %w", err, asynq.SkipRetry)
}
builtTx, err := celoProvider.SignContractExecutionTx(
system.PrivateKey,
celo.ContractExecutionTxOpts{
ContractAddress: system.GiftableToken,
InputData: input,
GasPrice: celo.FixedMinGas,
GasLimit: system.TokenTransferGasLimit,
Nonce: nonce,
},
)
if err != nil {
if err := nonceProvider.Return(ctx, p.PublicKey); err != nil {
return err
}
return fmt.Errorf("nonce.Return failed: %v: %w", err, asynq.SkipRetry)
}
disptachJobPayload, err := json.Marshal(TxPayload{
Tx: builtTx,
})
if err != nil {
return fmt.Errorf("json.Marshal failed: %v: %w", err, asynq.SkipRetry)
}
_, err = taskerClient.CreateTask(
tasker.TxDispatchTask,
tasker.HighPriority,
&tasker.Task{
Payload: disptachJobPayload,
},
)
if err != nil {
return err
}
return nil
}
}
func RefillGasProcessor(
celoProvider *celo.Provider,
nonceProvider nonce.Noncestore,
lockProvider *redislock.Client,
system *tasker.SystemContainer,
taskerClient *tasker.TaskerClient,
) func(context.Context, *asynq.Task) error {
return func(ctx context.Context, t *asynq.Task) error {
var (
p SystemPayload
balance big.Int
)
if err := json.Unmarshal(t.Payload(), &p); err != nil {
return fmt.Errorf("json.Unmarshal failed: %v: %w", err, asynq.SkipRetry)
}
if err := celoProvider.Client.CallCtx(
ctx,
eth.Balance(w3.A(p.PublicKey), nil).Returns(&balance),
); err != nil {
return err
}
if belowThreshold := balance.Cmp(system.GasRefillThreshold); belowThreshold > 0 {
return nil
}
lock, err := lockProvider.Obtain(ctx, system.LockPrefix+system.PublicKey, system.LockTimeout, nil)
if err != nil {
return err
}
defer lock.Release(ctx)
nonce, err := nonceProvider.Acquire(ctx, system.PublicKey)
if err != nil {
return err
}
builtTx, err := celoProvider.SignGasTransferTx(
system.PrivateKey,
celo.GasTransferTxOpts{
To: w3.A(p.PublicKey),
Nonce: nonce,
Value: system.GasRefillValue,
GasPrice: celo.FixedMinGas,
},
)
if err != nil {
if err := nonceProvider.Return(ctx, p.PublicKey); err != nil {
return err
}
return fmt.Errorf("nonce.Return failed: %v: %w", err, asynq.SkipRetry)
}
disptachJobPayload, err := json.Marshal(TxPayload{
Tx: builtTx,
})
if err != nil {
return fmt.Errorf("json.Marshal failed: %v: %w", err, asynq.SkipRetry)
}
_, err = taskerClient.CreateTask(
tasker.TxDispatchTask,
tasker.HighPriority,
&tasker.Task{
Payload: disptachJobPayload,
},
)
if err != nil {
return err
}
return nil
}
}

View File

@@ -0,0 +1,129 @@
package task
import (
"context"
"encoding/json"
"fmt"
"math"
"math/big"
"strconv"
"github.com/bsm/redislock"
celo "github.com/grassrootseconomics/cic-celo-sdk"
"github.com/grassrootseconomics/cic-custodial/internal/keystore"
"github.com/grassrootseconomics/cic-custodial/internal/nonce"
"github.com/grassrootseconomics/cic-custodial/internal/tasker"
"github.com/grassrootseconomics/w3-celo-patch"
"github.com/hibiken/asynq"
)
type TransferPayload struct {
From string `json:"from"`
To string `json:"to"`
VoucherAddress string `json:"voucherAddress"`
Amount string `json:"amount"`
}
func TransferToken(
celoProvider *celo.Provider,
nonceProvider nonce.Noncestore,
keystoreProvider keystore.Keystore,
lockProvider *redislock.Client,
system *tasker.SystemContainer,
taskerClient *tasker.TaskerClient,
) func(context.Context, *asynq.Task) error {
return func(ctx context.Context, t *asynq.Task) error {
var p TransferPayload
if err := json.Unmarshal(t.Payload(), &p); err != nil {
return fmt.Errorf("json.Unmarshal failed: %v: %w", err, asynq.SkipRetry)
}
lock, err := lockProvider.Obtain(ctx, system.LockPrefix+p.From, system.LockTimeout, nil)
if err != nil {
return err
}
defer lock.Release(ctx)
nonce, err := nonceProvider.Acquire(ctx, p.From)
if err != nil {
return err
}
key, err := keystoreProvider.LoadPrivateKey(ctx, p.From)
if err != nil {
return err
}
abi, err := w3.NewFunc("transfer(address,uint256)", "bool")
if err != nil {
return err
}
input, err := abi.EncodeArgs(p.To, parseTransferValue(p.Amount, system.TokenDecimals))
if err != nil {
return fmt.Errorf("ABI encode failed %v: %w", err, asynq.SkipRetry)
}
builtTx, err := celoProvider.SignContractExecutionTx(
key,
celo.ContractExecutionTxOpts{
ContractAddress: system.GiftableToken,
InputData: input,
GasPrice: celo.FixedMinGas,
GasLimit: system.TokenTransferGasLimit,
Nonce: nonce,
},
)
if err != nil {
if err := nonceProvider.Return(ctx, p.From); err != nil {
return err
}
return fmt.Errorf("nonce.Return failed: %v: %w", err, asynq.SkipRetry)
}
disptachJobPayload, err := json.Marshal(TxPayload{
Tx: builtTx,
})
if err != nil {
return fmt.Errorf("json.Marshal failed: %v: %w", err, asynq.SkipRetry)
}
_, err = taskerClient.CreateTask(
tasker.TxDispatchTask,
tasker.HighPriority,
&tasker.Task{
Payload: disptachJobPayload,
},
)
if err != nil {
return err
}
gasRefillPayload, err := json.Marshal(SystemPayload{
PublicKey: p.From,
})
if err != nil {
return fmt.Errorf("json.Marshal failed: %v: %w", err, asynq.SkipRetry)
}
_, err = taskerClient.CreateTask(
tasker.RefillGasTask,
tasker.DefaultPriority,
&tasker.Task{
Payload: gasRefillPayload,
},
)
if err != nil {
return err
}
return nil
}
}
func parseTransferValue(value string, tokenDecimals int) *big.Int {
floatValue, _ := strconv.ParseFloat(value, 64)
return big.NewInt(int64(floatValue * math.Pow10(tokenDecimals)))
}

View File

@@ -0,0 +1,68 @@
package task
import (
"math/big"
"reflect"
"testing"
)
func Test_parseTransferValue(t *testing.T) {
type args struct {
value string
tokenDecimals int
}
tests := []struct {
name string
args args
want *big.Int
}{
{
name: "zero value string",
args: args{
value: "0",
tokenDecimals: 6,
},
want: big.NewInt(0),
},
{
name: "fixed value string",
args: args{
value: "2",
tokenDecimals: 6,
},
want: big.NewInt(2000000),
},
{
name: "float (2 d.p) value string",
args: args{
value: "2.19",
tokenDecimals: 6,
},
want: big.NewInt(2190000),
},
{
name: "float (6 d.p) value string",
args: args{
value: "2.123456",
tokenDecimals: 6,
},
want: big.NewInt(2123456),
},
{
name: "float (10 d.p) value string",
args: args{
value: "2.1234567891",
tokenDecimals: 6,
},
want: big.NewInt(2123456),
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := parseTransferValue(tt.args.value, tt.args.tokenDecimals)
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("parseValue() = %v, want %v", got, tt.want)
}
})
}
}