/
sdk.go
227 lines (204 loc) · 6.08 KB
/
sdk.go
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package web3
import (
"context"
"crypto/ecdsa"
"math/big"
"strconv"
"strings"
"github.com/bacalhau-project/generic-dcn/pkg/web3/bindings/controller"
"github.com/bacalhau-project/generic-dcn/pkg/web3/bindings/jobcreator"
"github.com/bacalhau-project/generic-dcn/pkg/web3/bindings/mediation"
"github.com/bacalhau-project/generic-dcn/pkg/web3/bindings/payments"
"github.com/bacalhau-project/generic-dcn/pkg/web3/bindings/storage"
"github.com/bacalhau-project/generic-dcn/pkg/web3/bindings/token"
"github.com/bacalhau-project/generic-dcn/pkg/web3/bindings/users"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethclient"
"github.com/rs/zerolog/log"
)
// these are the go-binding wrappers for the various deployed contracts
type Contracts struct {
Token *token.Token
Payments *payments.Payments
Storage *storage.Storage
Users *users.Users
JobCreator *jobcreator.Jobcreator
Mediation *mediation.Mediation
Controller *controller.Controller
}
type Web3SDK struct {
Options Web3Options
PrivateKey *ecdsa.PrivateKey
Client *ethclient.Client
CallOpts *bind.CallOpts
TransactOpts *bind.TransactOpts
Contracts *Contracts
}
func NewContracts(
options Web3Options,
client *ethclient.Client,
callOpts *bind.CallOpts,
) (*Contracts, error) {
controller, err := controller.NewController(common.HexToAddress(options.ControllerAddress), client)
if err != nil {
return nil, err
}
paymentsAddress := options.PaymentsAddress
log.Debug().Msgf("paymentsAddress: %s", paymentsAddress)
if paymentsAddress == "" {
loadedPaymentsAddress, err := controller.GetPaymentsAddress(callOpts)
if err != nil {
return nil, err
}
paymentsAddress = loadedPaymentsAddress.String()
log.Debug().
Str("load payments address", paymentsAddress).
Msgf("")
}
payments, err := payments.NewPayments(common.HexToAddress(paymentsAddress), client)
if err != nil {
return nil, err
}
tokenAddress := options.TokenAddress
log.Debug().Msgf("TokenAddress: %s", tokenAddress)
if tokenAddress == "" {
loadedTokenAddress, err := payments.GetTokenAddress(callOpts)
if err != nil {
return nil, err
}
tokenAddress = loadedTokenAddress.String()
log.Debug().
Str("load token address", tokenAddress).
Msgf("")
}
token, err := token.NewToken(common.HexToAddress(tokenAddress), client)
if err != nil {
return nil, err
}
storageAddress := options.StorageAddress
log.Debug().Msgf("StorageAddress: %s", storageAddress)
if storageAddress == "" {
loadedStorageAddress, err := controller.GetStorageAddress(callOpts)
if err != nil {
return nil, err
}
storageAddress = loadedStorageAddress.String()
log.Debug().
Str("load storage address", storageAddress).
Msgf("")
}
storage, err := storage.NewStorage(common.HexToAddress(storageAddress), client)
if err != nil {
return nil, err
}
usersAddress := options.UsersAddress
log.Debug().Msgf("UsersAddress: %s", usersAddress)
if usersAddress == "" {
loadedUsersAddress, err := controller.GetUsersAddress(callOpts)
if err != nil {
return nil, err
}
usersAddress = loadedUsersAddress.String()
log.Debug().
Str("load users address", usersAddress).
Msgf("")
}
users, err := users.NewUsers(common.HexToAddress(usersAddress), client)
if err != nil {
return nil, err
}
jobcreatorAddress := options.JobCreatorAddress
log.Debug().Msgf("JobCreatorAddress: %s", jobcreatorAddress)
if jobcreatorAddress == "" {
loadedJobCreatorAddress, err := controller.GetJobCreatorAddress(callOpts)
if err != nil {
return nil, err
}
jobcreatorAddress = loadedJobCreatorAddress.String()
log.Debug().
Str("load jobcreator address", jobcreatorAddress).
Msgf("")
}
jobCreator, err := jobcreator.NewJobcreator(common.HexToAddress(jobcreatorAddress), client)
if err != nil {
return nil, err
}
mediationAddress := options.MediationAddress
log.Debug().Msgf("MediationAddress: %s", mediationAddress)
if mediationAddress == "" {
loadedMediationAddress, err := controller.GetMediationAddress(callOpts)
if err != nil {
return nil, err
}
mediationAddress = loadedMediationAddress.String()
log.Debug().
Str("load mediation address", mediationAddress).
Msgf("")
}
mediation, err := mediation.NewMediation(common.HexToAddress(mediationAddress), client)
if err != nil {
return nil, err
}
return &Contracts{
Token: token,
Payments: payments,
Storage: storage,
Users: users,
JobCreator: jobCreator,
Mediation: mediation,
Controller: controller,
}, nil
}
func NewContractSDK(options Web3Options) (*Web3SDK, error) {
// write to console
log.Debug().Msgf("NewContractSDK: %+v", options)
client, err := ethclient.Dial(options.RpcURL)
if err != nil {
return nil, err
}
privateKey, err := ParsePrivateKey(options.PrivateKey)
if err != nil {
return nil, err
}
callOpts := &bind.CallOpts{
Pending: false,
From: common.Address{},
BlockNumber: nil,
Context: nil,
}
transactOpts, err := bind.NewKeyedTransactorWithChainID(privateKey, big.NewInt(int64(options.ChainID)))
if err != nil {
return nil, err
}
contracts, err := NewContracts(options, client, callOpts)
if err != nil {
return nil, err
}
return &Web3SDK{
PrivateKey: privateKey,
Options: options,
Client: client,
CallOpts: callOpts,
TransactOpts: transactOpts,
Contracts: contracts,
}, nil
}
func (sdk *Web3SDK) getBlockNumber() (uint64, error) {
var blockNumberHex string
err := sdk.Client.Client().Call(&blockNumberHex, "eth_blockNumber")
if err != nil {
log.Error().Msgf("error for getBlockNumber: %s", err.Error())
return 0, err
}
blockNumberHex = strings.TrimPrefix(blockNumberHex, "0x")
return strconv.ParseUint(blockNumberHex, 16, 64)
}
func (sdk *Web3SDK) WaitTx(ctx context.Context, tx *types.Transaction) (*types.Receipt, error) {
return bind.WaitMined(ctx, sdk.Client, tx)
}
func (sdk *Web3SDK) GetAddress() common.Address {
return crypto.PubkeyToAddress(GetPublicKey(sdk.PrivateKey))
}