892 lines
29 KiB
Go
892 lines
29 KiB
Go
package communitytokens
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import (
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"context"
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"errors"
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"fmt"
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"math/big"
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"strings"
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"github.com/ethereum/go-ethereum"
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"github.com/ethereum/go-ethereum/accounts/abi"
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"github.com/ethereum/go-ethereum/accounts/abi/bind"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/log"
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"github.com/status-im/status-go/contracts/community-tokens/assets"
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"github.com/status-im/status-go/contracts/community-tokens/collectibles"
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communitytokendeployer "github.com/status-im/status-go/contracts/community-tokens/deployer"
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"github.com/status-im/status-go/contracts/community-tokens/mastertoken"
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"github.com/status-im/status-go/contracts/community-tokens/ownertoken"
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communityownertokenregistry "github.com/status-im/status-go/contracts/community-tokens/registry"
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"github.com/status-im/status-go/eth-node/crypto"
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"github.com/status-im/status-go/protocol/protobuf"
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"github.com/status-im/status-go/services/utils"
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"github.com/status-im/status-go/services/wallet/bigint"
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wcommon "github.com/status-im/status-go/services/wallet/common"
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"github.com/status-im/status-go/transactions"
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)
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func NewAPI(s *Service) *API {
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return &API{
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s: s,
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}
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}
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type API struct {
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s *Service
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}
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type DeploymentDetails struct {
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ContractAddress string `json:"contractAddress"`
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TransactionHash string `json:"transactionHash"`
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}
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const maxSupply = 999999999
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type DeploymentParameters struct {
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Name string `json:"name"`
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Symbol string `json:"symbol"`
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Supply *bigint.BigInt `json:"supply"`
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InfiniteSupply bool `json:"infiniteSupply"`
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Transferable bool `json:"transferable"`
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RemoteSelfDestruct bool `json:"remoteSelfDestruct"`
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TokenURI string `json:"tokenUri"`
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OwnerTokenAddress string `json:"ownerTokenAddress"`
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MasterTokenAddress string `json:"masterTokenAddress"`
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}
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func (d *DeploymentParameters) GetSupply() *big.Int {
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if d.InfiniteSupply {
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return d.GetInfiniteSupply()
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}
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return d.Supply.Int
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}
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// infinite supply for ERC721 is 2^256-1
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func (d *DeploymentParameters) GetInfiniteSupply() *big.Int {
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return GetInfiniteSupply()
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}
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func GetInfiniteSupply() *big.Int {
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max := new(big.Int).Exp(big.NewInt(2), big.NewInt(256), nil)
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max.Sub(max, big.NewInt(1))
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return max
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}
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func (d *DeploymentParameters) Validate(isAsset bool) error {
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if len(d.Name) <= 0 {
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return errors.New("empty collectible name")
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}
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if len(d.Symbol) <= 0 {
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return errors.New("empty collectible symbol")
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}
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var maxForType = big.NewInt(maxSupply)
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if isAsset {
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assetMultiplier, _ := big.NewInt(0).SetString("1000000000000000000", 10)
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maxForType = maxForType.Mul(maxForType, assetMultiplier)
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}
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if !d.InfiniteSupply && (d.Supply.Cmp(big.NewInt(0)) < 0 || d.Supply.Cmp(maxForType) > 0) {
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return fmt.Errorf("wrong supply value: %v", d.Supply)
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}
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return nil
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}
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func (api *API) DeployCollectibles(ctx context.Context, chainID uint64, deploymentParameters DeploymentParameters, txArgs transactions.SendTxArgs, password string) (DeploymentDetails, error) {
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err := deploymentParameters.Validate(false)
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if err != nil {
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return DeploymentDetails{}, err
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}
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transactOpts := txArgs.ToTransactOpts(utils.GetSigner(chainID, api.s.accountsManager, api.s.config.KeyStoreDir, txArgs.From, password))
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ethClient, err := api.s.manager.rpcClient.EthClient(chainID)
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if err != nil {
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log.Error(err.Error())
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return DeploymentDetails{}, err
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}
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address, tx, _, err := collectibles.DeployCollectibles(transactOpts, ethClient, deploymentParameters.Name,
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deploymentParameters.Symbol, deploymentParameters.GetSupply(),
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deploymentParameters.RemoteSelfDestruct, deploymentParameters.Transferable,
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deploymentParameters.TokenURI, common.HexToAddress(deploymentParameters.OwnerTokenAddress),
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common.HexToAddress(deploymentParameters.MasterTokenAddress))
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if err != nil {
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log.Error(err.Error())
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return DeploymentDetails{}, err
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}
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err = api.s.pendingTracker.TrackPendingTransaction(
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wcommon.ChainID(chainID),
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tx.Hash(),
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common.Address(txArgs.From),
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transactions.DeployCommunityToken,
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transactions.AutoDelete,
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)
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if err != nil {
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log.Error("TrackPendingTransaction error", "error", err)
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return DeploymentDetails{}, err
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}
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return DeploymentDetails{address.Hex(), tx.Hash().Hex()}, nil
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}
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func decodeSignature(sig []byte) (r [32]byte, s [32]byte, v uint8, err error) {
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if len(sig) != crypto.SignatureLength {
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return [32]byte{}, [32]byte{}, 0, fmt.Errorf("wrong size for signature: got %d, want %d", len(sig), crypto.SignatureLength)
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}
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copy(r[:], sig[:32])
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copy(s[:], sig[32:64])
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v = sig[64] + 27
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return r, s, v, nil
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}
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func prepareDeploymentSignatureStruct(signature string, communityID string, addressFrom common.Address) (communitytokendeployer.CommunityTokenDeployerDeploymentSignature, error) {
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r, s, v, err := decodeSignature(common.FromHex(signature))
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if err != nil {
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return communitytokendeployer.CommunityTokenDeployerDeploymentSignature{}, err
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}
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communityEthAddress, err := convert33BytesPubKeyToEthAddress(communityID)
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if err != nil {
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return communitytokendeployer.CommunityTokenDeployerDeploymentSignature{}, err
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}
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communitySignature := communitytokendeployer.CommunityTokenDeployerDeploymentSignature{
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V: v,
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R: r,
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S: s,
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Deployer: addressFrom,
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Signer: communityEthAddress,
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}
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return communitySignature, nil
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}
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func (api *API) DeployOwnerToken(ctx context.Context, chainID uint64,
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ownerTokenParameters DeploymentParameters, masterTokenParameters DeploymentParameters,
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signature string, communityID string, signerPubKey string,
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txArgs transactions.SendTxArgs, password string) (DeploymentDetails, error) {
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err := ownerTokenParameters.Validate(false)
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if err != nil {
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return DeploymentDetails{}, err
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}
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if len(signerPubKey) <= 0 {
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return DeploymentDetails{}, fmt.Errorf("signerPubKey is empty")
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}
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err = masterTokenParameters.Validate(false)
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if err != nil {
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return DeploymentDetails{}, err
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}
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transactOpts := txArgs.ToTransactOpts(utils.GetSigner(chainID, api.s.accountsManager, api.s.config.KeyStoreDir, txArgs.From, password))
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deployerContractInst, err := api.NewCommunityTokenDeployerInstance(chainID)
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if err != nil {
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return DeploymentDetails{}, err
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}
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ownerTokenConfig := communitytokendeployer.CommunityTokenDeployerTokenConfig{
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Name: ownerTokenParameters.Name,
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Symbol: ownerTokenParameters.Symbol,
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BaseURI: ownerTokenParameters.TokenURI,
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}
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masterTokenConfig := communitytokendeployer.CommunityTokenDeployerTokenConfig{
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Name: masterTokenParameters.Name,
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Symbol: masterTokenParameters.Symbol,
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BaseURI: masterTokenParameters.TokenURI,
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}
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communitySignature, err := prepareDeploymentSignatureStruct(signature, communityID, common.Address(txArgs.From))
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if err != nil {
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return DeploymentDetails{}, err
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}
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log.Debug("Signature:", communitySignature)
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tx, err := deployerContractInst.Deploy(transactOpts, ownerTokenConfig, masterTokenConfig, communitySignature, common.FromHex(signerPubKey))
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if err != nil {
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log.Error(err.Error())
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return DeploymentDetails{}, err
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}
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err = api.s.pendingTracker.TrackPendingTransaction(
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wcommon.ChainID(chainID),
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tx.Hash(),
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common.Address(txArgs.From),
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transactions.DeployOwnerToken,
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transactions.AutoDelete,
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)
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if err != nil {
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log.Error("TrackPendingTransaction error", "error", err)
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return DeploymentDetails{}, err
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}
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return DeploymentDetails{"", tx.Hash().Hex()}, nil
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}
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func (api *API) GetMasterTokenContractAddressFromHash(ctx context.Context, chainID uint64, txHash string) (string, error) {
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ethClient, err := api.s.manager.rpcClient.EthClient(chainID)
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if err != nil {
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return "", err
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}
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receipt, err := ethClient.TransactionReceipt(ctx, common.HexToHash(txHash))
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if err != nil {
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return "", err
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}
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deployerContractInst, err := api.NewCommunityTokenDeployerInstance(chainID)
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if err != nil {
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return "", err
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}
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logMasterTokenCreatedSig := []byte("DeployMasterToken(address)")
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logMasterTokenCreatedSigHash := crypto.Keccak256Hash(logMasterTokenCreatedSig)
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for _, vLog := range receipt.Logs {
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if vLog.Topics[0].Hex() == logMasterTokenCreatedSigHash.Hex() {
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event, err := deployerContractInst.ParseDeployMasterToken(*vLog)
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if err != nil {
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return "", err
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}
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return event.Arg0.Hex(), nil
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}
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}
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return "", fmt.Errorf("can't find master token address in transaction: %v", txHash)
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}
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func (api *API) GetOwnerTokenContractAddressFromHash(ctx context.Context, chainID uint64, txHash string) (string, error) {
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ethClient, err := api.s.manager.rpcClient.EthClient(chainID)
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if err != nil {
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return "", err
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}
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receipt, err := ethClient.TransactionReceipt(ctx, common.HexToHash(txHash))
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if err != nil {
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return "", err
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}
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deployerContractInst, err := api.NewCommunityTokenDeployerInstance(chainID)
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if err != nil {
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return "", err
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}
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logOwnerTokenCreatedSig := []byte("DeployOwnerToken(address)")
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logOwnerTokenCreatedSigHash := crypto.Keccak256Hash(logOwnerTokenCreatedSig)
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for _, vLog := range receipt.Logs {
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if vLog.Topics[0].Hex() == logOwnerTokenCreatedSigHash.Hex() {
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event, err := deployerContractInst.ParseDeployOwnerToken(*vLog)
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if err != nil {
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return "", err
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}
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return event.Arg0.Hex(), nil
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}
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}
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return "", fmt.Errorf("can't find owner token address in transaction: %v", txHash)
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}
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func (api *API) DeployAssets(ctx context.Context, chainID uint64, deploymentParameters DeploymentParameters, txArgs transactions.SendTxArgs, password string) (DeploymentDetails, error) {
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err := deploymentParameters.Validate(true)
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if err != nil {
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return DeploymentDetails{}, err
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}
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transactOpts := txArgs.ToTransactOpts(utils.GetSigner(chainID, api.s.accountsManager, api.s.config.KeyStoreDir, txArgs.From, password))
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ethClient, err := api.s.manager.rpcClient.EthClient(chainID)
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if err != nil {
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log.Error(err.Error())
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return DeploymentDetails{}, err
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}
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const decimals = 18
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address, tx, _, err := assets.DeployAssets(transactOpts, ethClient, deploymentParameters.Name,
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deploymentParameters.Symbol, decimals, deploymentParameters.GetSupply(),
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deploymentParameters.TokenURI,
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common.HexToAddress(deploymentParameters.OwnerTokenAddress),
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common.HexToAddress(deploymentParameters.MasterTokenAddress))
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if err != nil {
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log.Error(err.Error())
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return DeploymentDetails{}, err
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}
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err = api.s.pendingTracker.TrackPendingTransaction(
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wcommon.ChainID(chainID),
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tx.Hash(),
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common.Address(txArgs.From),
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transactions.DeployCommunityToken,
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transactions.AutoDelete,
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)
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if err != nil {
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log.Error("TrackPendingTransaction error", "error", err)
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return DeploymentDetails{}, err
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}
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return DeploymentDetails{address.Hex(), tx.Hash().Hex()}, nil
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}
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// Returns gas units + 10%
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func (api *API) DeployCollectiblesEstimate(ctx context.Context) (uint64, error) {
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// TODO investigate why the code below does not return correct values
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/*ethClient, err := api.s.manager.rpcClient.EthClient(420)
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if err != nil {
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log.Error(err.Error())
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return 0, err
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}
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collectiblesABI, err := abi.JSON(strings.NewReader(collectibles.CollectiblesABI))
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if err != nil {
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return 0, err
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}
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data, err := collectiblesABI.Pack("", "name", "SYMBOL", big.NewInt(20), true, false, "tokenUriwhcih is very long asdkfjlsdkjflk",
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common.HexToAddress("0x77b48394c650520012795a1a25696d7eb542d110"), common.HexToAddress("0x77b48394c650520012795a1a25696d7eb542d110"))
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if err != nil {
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return 0, err
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}
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callMsg := ethereum.CallMsg{
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From: common.HexToAddress("0x77b48394c650520012795a1a25696d7eb542d110"),
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To: nil,
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Value: big.NewInt(0),
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Data: data,
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}
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estimate, err := ethClient.EstimateGas(ctx, callMsg)
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if err != nil {
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return 0, err
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}
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return estimate + uint64(float32(estimate)*0.1), nil*/
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// TODO compute fee dynamically
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// the code above returns too low fees, need to investigate
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gasAmount := uint64(2500000)
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return gasAmount + uint64(float32(gasAmount)*0.1), nil
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}
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// Returns gas units + 10%
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func (api *API) DeployAssetsEstimate(ctx context.Context) (uint64, error) {
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// TODO compute fee dynamically
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gasAmount := uint64(1500000)
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return gasAmount + uint64(float32(gasAmount)*0.1), nil
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}
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func (api *API) DeployOwnerTokenEstimate(ctx context.Context, chainID uint64, fromAddress string,
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ownerTokenParameters DeploymentParameters, masterTokenParameters DeploymentParameters,
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signature string, communityID string, signerPubKey string) (uint64, error) {
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ethClient, err := api.s.manager.rpcClient.EthClient(chainID)
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if err != nil {
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log.Error(err.Error())
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return 0, err
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}
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deployerAddress, err := communitytokendeployer.ContractAddress(chainID)
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if err != nil {
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return 0, err
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}
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deployerABI, err := abi.JSON(strings.NewReader(communitytokendeployer.CommunityTokenDeployerABI))
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if err != nil {
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return 0, err
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}
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ownerTokenConfig := communitytokendeployer.CommunityTokenDeployerTokenConfig{
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Name: ownerTokenParameters.Name,
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Symbol: ownerTokenParameters.Symbol,
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BaseURI: ownerTokenParameters.TokenURI,
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}
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masterTokenConfig := communitytokendeployer.CommunityTokenDeployerTokenConfig{
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Name: masterTokenParameters.Name,
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Symbol: masterTokenParameters.Symbol,
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BaseURI: masterTokenParameters.TokenURI,
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}
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communitySignature, err := prepareDeploymentSignatureStruct(signature, communityID, common.HexToAddress(fromAddress))
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if err != nil {
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return 0, err
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}
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data, err := deployerABI.Pack("deploy", ownerTokenConfig, masterTokenConfig, communitySignature, common.FromHex(signerPubKey))
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if err != nil {
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return 0, err
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}
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toAddr := deployerAddress
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fromAddr := common.HexToAddress(fromAddress)
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callMsg := ethereum.CallMsg{
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From: fromAddr,
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To: &toAddr,
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Value: big.NewInt(0),
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Data: data,
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}
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estimate, err := ethClient.EstimateGas(ctx, callMsg)
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if err != nil {
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return 0, err
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}
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return estimate + uint64(float32(estimate)*0.1), nil
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}
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func (api *API) NewMasterTokenInstance(chainID uint64, contractAddress string) (*mastertoken.MasterToken, error) {
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backend, err := api.s.manager.rpcClient.EthClient(chainID)
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if err != nil {
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return nil, err
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}
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return mastertoken.NewMasterToken(common.HexToAddress(contractAddress), backend)
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}
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func (api *API) NewOwnerTokenInstance(chainID uint64, contractAddress string) (*ownertoken.OwnerToken, error) {
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return api.s.NewOwnerTokenInstance(chainID, contractAddress)
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}
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func (api *API) NewCommunityTokenDeployerInstance(chainID uint64) (*communitytokendeployer.CommunityTokenDeployer, error) {
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return api.s.manager.NewCommunityTokenDeployerInstance(chainID)
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}
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func (api *API) NewCommunityOwnerTokenRegistryInstance(chainID uint64, contractAddress string) (*communityownertokenregistry.CommunityOwnerTokenRegistry, error) {
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return api.s.NewCommunityOwnerTokenRegistryInstance(chainID, contractAddress)
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}
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func (api *API) NewCollectiblesInstance(chainID uint64, contractAddress string) (*collectibles.Collectibles, error) {
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return api.s.manager.NewCollectiblesInstance(chainID, contractAddress)
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}
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func (api *API) NewAssetsInstance(chainID uint64, contractAddress string) (*assets.Assets, error) {
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return api.s.manager.NewAssetsInstance(chainID, contractAddress)
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}
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// if we want to mint 2 tokens to addresses ["a", "b"] we need to mint
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// twice to every address - we need to send to smart contract table ["a", "a", "b", "b"]
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func (api *API) multiplyWalletAddresses(amount *bigint.BigInt, contractAddresses []string) []string {
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var totalAddresses []string
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for i := big.NewInt(1); i.Cmp(amount.Int) <= 0; {
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totalAddresses = append(totalAddresses, contractAddresses...)
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i.Add(i, big.NewInt(1))
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}
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return totalAddresses
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}
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func (api *API) PrepareMintCollectiblesData(walletAddresses []string, amount *bigint.BigInt) []common.Address {
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totalAddresses := api.multiplyWalletAddresses(amount, walletAddresses)
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var usersAddresses = []common.Address{}
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for _, k := range totalAddresses {
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usersAddresses = append(usersAddresses, common.HexToAddress(k))
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}
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return usersAddresses
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}
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// Universal minting function for every type of token.
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func (api *API) MintTokens(ctx context.Context, chainID uint64, contractAddress string, txArgs transactions.SendTxArgs, password string, walletAddresses []string, amount *bigint.BigInt) (string, error) {
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err := api.ValidateWalletsAndAmounts(walletAddresses, amount)
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|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
transactOpts := txArgs.ToTransactOpts(utils.GetSigner(chainID, api.s.accountsManager, api.s.config.KeyStoreDir, txArgs.From, password))
|
|
|
|
contractInst, err := NewTokenInstance(api, chainID, contractAddress)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
tx, err := contractInst.Mint(transactOpts, walletAddresses, amount)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
err = api.s.pendingTracker.TrackPendingTransaction(
|
|
wcommon.ChainID(chainID),
|
|
tx.Hash(),
|
|
common.Address(txArgs.From),
|
|
transactions.AirdropCommunityToken,
|
|
transactions.AutoDelete,
|
|
)
|
|
if err != nil {
|
|
log.Error("TrackPendingTransaction error", "error", err)
|
|
return "", err
|
|
}
|
|
|
|
return tx.Hash().Hex(), nil
|
|
}
|
|
|
|
func (api *API) EstimateMintTokens(ctx context.Context, chainID uint64, contractAddress string, fromAddress string, walletAddresses []string, amount *bigint.BigInt) (uint64, error) {
|
|
tokenType, err := api.s.db.GetTokenType(chainID, contractAddress)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
switch tokenType {
|
|
case protobuf.CommunityTokenType_ERC721:
|
|
return api.EstimateMintCollectibles(ctx, chainID, contractAddress, fromAddress, walletAddresses, amount)
|
|
case protobuf.CommunityTokenType_ERC20:
|
|
return api.EstimateMintAssets(ctx, chainID, contractAddress, fromAddress, walletAddresses, amount)
|
|
default:
|
|
return 0, fmt.Errorf("unknown token type: %v", tokenType)
|
|
}
|
|
}
|
|
|
|
func (api *API) EstimateMintCollectibles(ctx context.Context, chainID uint64, contractAddress string, fromAddress string, walletAddresses []string, amount *bigint.BigInt) (uint64, error) {
|
|
err := api.ValidateWalletsAndAmounts(walletAddresses, amount)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
usersAddresses := api.PrepareMintCollectiblesData(walletAddresses, amount)
|
|
return api.estimateMethod(ctx, chainID, contractAddress, fromAddress, "mintTo", usersAddresses)
|
|
}
|
|
|
|
func (api *API) PrepareMintAssetsData(walletAddresses []string, amount *bigint.BigInt) ([]common.Address, []*big.Int) {
|
|
var usersAddresses = []common.Address{}
|
|
var amountsList = []*big.Int{}
|
|
for _, k := range walletAddresses {
|
|
usersAddresses = append(usersAddresses, common.HexToAddress(k))
|
|
amountsList = append(amountsList, amount.Int)
|
|
}
|
|
return usersAddresses, amountsList
|
|
}
|
|
|
|
// Estimate MintAssets cost.
|
|
func (api *API) EstimateMintAssets(ctx context.Context, chainID uint64, contractAddress string, fromAddress string, walletAddresses []string, amount *bigint.BigInt) (uint64, error) {
|
|
err := api.ValidateWalletsAndAmounts(walletAddresses, amount)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
usersAddresses, amountsList := api.PrepareMintAssetsData(walletAddresses, amount)
|
|
return api.estimateMethod(ctx, chainID, contractAddress, fromAddress, "mintTo", usersAddresses, amountsList)
|
|
}
|
|
|
|
// This is only ERC721 function
|
|
func (api *API) RemoteDestructedAmount(ctx context.Context, chainID uint64, contractAddress string) (*bigint.BigInt, error) {
|
|
callOpts := &bind.CallOpts{Context: ctx, Pending: false}
|
|
contractInst, err := api.NewCollectiblesInstance(chainID, contractAddress)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// total supply = airdropped only (w/o burnt)
|
|
totalSupply, err := contractInst.TotalSupply(callOpts)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// minted = all created tokens (airdropped and remotely destructed)
|
|
mintedCount, err := contractInst.MintedCount(callOpts)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var res = new(big.Int)
|
|
res.Sub(mintedCount, totalSupply)
|
|
|
|
return &bigint.BigInt{Int: res}, nil
|
|
}
|
|
|
|
// This is only ERC721 function
|
|
func (api *API) RemoteBurn(ctx context.Context, chainID uint64, contractAddress string, txArgs transactions.SendTxArgs, password string, tokenIds []*bigint.BigInt) (string, error) {
|
|
err := api.validateTokens(tokenIds)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
transactOpts := txArgs.ToTransactOpts(utils.GetSigner(chainID, api.s.accountsManager, api.s.config.KeyStoreDir, txArgs.From, password))
|
|
|
|
var tempTokenIds []*big.Int
|
|
for _, v := range tokenIds {
|
|
tempTokenIds = append(tempTokenIds, v.Int)
|
|
}
|
|
|
|
contractInst, err := NewTokenInstance(api, chainID, contractAddress)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
tx, err := contractInst.RemoteBurn(transactOpts, tempTokenIds)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
err = api.s.pendingTracker.TrackPendingTransaction(
|
|
wcommon.ChainID(chainID),
|
|
tx.Hash(),
|
|
common.Address(txArgs.From),
|
|
transactions.RemoteDestructCollectible,
|
|
transactions.AutoDelete,
|
|
)
|
|
if err != nil {
|
|
log.Error("TrackPendingTransaction error", "error", err)
|
|
return "", err
|
|
}
|
|
|
|
return tx.Hash().Hex(), nil
|
|
}
|
|
|
|
// This is only ERC721 function
|
|
func (api *API) EstimateRemoteBurn(ctx context.Context, chainID uint64, contractAddress string, fromAddress string, tokenIds []*bigint.BigInt) (uint64, error) {
|
|
err := api.validateTokens(tokenIds)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
var tempTokenIds []*big.Int
|
|
for _, v := range tokenIds {
|
|
tempTokenIds = append(tempTokenIds, v.Int)
|
|
}
|
|
|
|
return api.estimateMethod(ctx, chainID, contractAddress, fromAddress, "remoteBurn", tempTokenIds)
|
|
}
|
|
|
|
func (api *API) GetCollectiblesContractInstance(chainID uint64, contractAddress string) (*collectibles.Collectibles, error) {
|
|
return api.s.manager.GetCollectiblesContractInstance(chainID, contractAddress)
|
|
}
|
|
|
|
func (api *API) GetAssetContractInstance(chainID uint64, contractAddress string) (*assets.Assets, error) {
|
|
return api.s.manager.GetAssetContractInstance(chainID, contractAddress)
|
|
}
|
|
|
|
func (api *API) RemainingSupply(ctx context.Context, chainID uint64, contractAddress string) (*bigint.BigInt, error) {
|
|
tokenType, err := api.s.db.GetTokenType(chainID, contractAddress)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
switch tokenType {
|
|
case protobuf.CommunityTokenType_ERC721:
|
|
return api.remainingCollectiblesSupply(ctx, chainID, contractAddress)
|
|
case protobuf.CommunityTokenType_ERC20:
|
|
return api.remainingAssetsSupply(ctx, chainID, contractAddress)
|
|
default:
|
|
return nil, fmt.Errorf("unknown token type: %v", tokenType)
|
|
}
|
|
}
|
|
|
|
// RemainingSupply = MaxSupply - MintedCount
|
|
func (api *API) remainingCollectiblesSupply(ctx context.Context, chainID uint64, contractAddress string) (*bigint.BigInt, error) {
|
|
callOpts := &bind.CallOpts{Context: ctx, Pending: false}
|
|
contractInst, err := api.NewCollectiblesInstance(chainID, contractAddress)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
maxSupply, err := contractInst.MaxSupply(callOpts)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
mintedCount, err := contractInst.MintedCount(callOpts)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
var res = new(big.Int)
|
|
res.Sub(maxSupply, mintedCount)
|
|
return &bigint.BigInt{Int: res}, nil
|
|
}
|
|
|
|
// RemainingSupply = MaxSupply - TotalSupply
|
|
func (api *API) remainingAssetsSupply(ctx context.Context, chainID uint64, contractAddress string) (*bigint.BigInt, error) {
|
|
callOpts := &bind.CallOpts{Context: ctx, Pending: false}
|
|
contractInst, err := api.NewAssetsInstance(chainID, contractAddress)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
maxSupply, err := contractInst.MaxSupply(callOpts)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
totalSupply, err := contractInst.TotalSupply(callOpts)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
var res = new(big.Int)
|
|
res.Sub(maxSupply, totalSupply)
|
|
return &bigint.BigInt{Int: res}, nil
|
|
}
|
|
|
|
func (api *API) maxSupplyCollectibles(ctx context.Context, chainID uint64, contractAddress string) (*big.Int, error) {
|
|
callOpts := &bind.CallOpts{Context: ctx, Pending: false}
|
|
contractInst, err := api.NewCollectiblesInstance(chainID, contractAddress)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return contractInst.MaxSupply(callOpts)
|
|
}
|
|
|
|
func (api *API) maxSupplyAssets(ctx context.Context, chainID uint64, contractAddress string) (*big.Int, error) {
|
|
callOpts := &bind.CallOpts{Context: ctx, Pending: false}
|
|
contractInst, err := api.NewAssetsInstance(chainID, contractAddress)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return contractInst.MaxSupply(callOpts)
|
|
}
|
|
|
|
func (api *API) maxSupply(ctx context.Context, chainID uint64, contractAddress string) (*big.Int, error) {
|
|
tokenType, err := api.s.db.GetTokenType(chainID, contractAddress)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
switch tokenType {
|
|
case protobuf.CommunityTokenType_ERC721:
|
|
return api.maxSupplyCollectibles(ctx, chainID, contractAddress)
|
|
case protobuf.CommunityTokenType_ERC20:
|
|
return api.maxSupplyAssets(ctx, chainID, contractAddress)
|
|
default:
|
|
return nil, fmt.Errorf("unknown token type: %v", tokenType)
|
|
}
|
|
}
|
|
|
|
func (api *API) prepareNewMaxSupply(ctx context.Context, chainID uint64, contractAddress string, burnAmount *bigint.BigInt) (*big.Int, error) {
|
|
maxSupply, err := api.maxSupply(ctx, chainID, contractAddress)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
var newMaxSupply = new(big.Int)
|
|
newMaxSupply.Sub(maxSupply, burnAmount.Int)
|
|
return newMaxSupply, nil
|
|
}
|
|
|
|
func (api *API) Burn(ctx context.Context, chainID uint64, contractAddress string, txArgs transactions.SendTxArgs, password string, burnAmount *bigint.BigInt) (string, error) {
|
|
err := api.validateBurnAmount(ctx, burnAmount, chainID, contractAddress)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
transactOpts := txArgs.ToTransactOpts(utils.GetSigner(chainID, api.s.accountsManager, api.s.config.KeyStoreDir, txArgs.From, password))
|
|
|
|
newMaxSupply, err := api.prepareNewMaxSupply(ctx, chainID, contractAddress, burnAmount)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
contractInst, err := NewTokenInstance(api, chainID, contractAddress)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
tx, err := contractInst.SetMaxSupply(transactOpts, newMaxSupply)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
err = api.s.pendingTracker.TrackPendingTransaction(
|
|
wcommon.ChainID(chainID),
|
|
tx.Hash(),
|
|
common.Address(txArgs.From),
|
|
transactions.BurnCommunityToken,
|
|
transactions.AutoDelete,
|
|
)
|
|
if err != nil {
|
|
log.Error("TrackPendingTransaction error", "error", err)
|
|
return "", err
|
|
}
|
|
|
|
return tx.Hash().Hex(), nil
|
|
}
|
|
|
|
func (api *API) EstimateBurn(ctx context.Context, chainID uint64, contractAddress string, fromAddress string, burnAmount *bigint.BigInt) (uint64, error) {
|
|
err := api.validateBurnAmount(ctx, burnAmount, chainID, contractAddress)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
newMaxSupply, err := api.prepareNewMaxSupply(ctx, chainID, contractAddress, burnAmount)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
return api.estimateMethod(ctx, chainID, contractAddress, fromAddress, "setMaxSupply", newMaxSupply)
|
|
}
|
|
|
|
func (api *API) ValidateWalletsAndAmounts(walletAddresses []string, amount *bigint.BigInt) error {
|
|
if len(walletAddresses) == 0 {
|
|
return errors.New("wallet addresses list is empty")
|
|
}
|
|
if amount.Cmp(big.NewInt(0)) <= 0 {
|
|
return errors.New("amount is <= 0")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (api *API) validateTokens(tokenIds []*bigint.BigInt) error {
|
|
if len(tokenIds) == 0 {
|
|
return errors.New("token list is empty")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (api *API) validateBurnAmount(ctx context.Context, burnAmount *bigint.BigInt, chainID uint64, contractAddress string) error {
|
|
if burnAmount.Cmp(big.NewInt(0)) <= 0 {
|
|
return errors.New("burnAmount is less than 0")
|
|
}
|
|
remainingSupply, err := api.RemainingSupply(ctx, chainID, contractAddress)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if burnAmount.Cmp(remainingSupply.Int) > 1 {
|
|
return errors.New("burnAmount is bigger than remaining amount")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (api *API) estimateMethod(ctx context.Context, chainID uint64, contractAddress string, fromAddress string, methodName string, args ...interface{}) (uint64, error) {
|
|
ethClient, err := api.s.manager.rpcClient.EthClient(chainID)
|
|
if err != nil {
|
|
log.Error(err.Error())
|
|
return 0, err
|
|
}
|
|
|
|
contractInst, err := NewTokenInstance(api, chainID, contractAddress)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
data, err := contractInst.PackMethod(ctx, methodName, args...)
|
|
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
toAddr := common.HexToAddress(contractAddress)
|
|
fromAddr := common.HexToAddress(fromAddress)
|
|
|
|
callMsg := ethereum.CallMsg{
|
|
From: fromAddr,
|
|
To: &toAddr,
|
|
Value: big.NewInt(0),
|
|
Data: data,
|
|
}
|
|
estimate, err := ethClient.EstimateGas(ctx, callMsg)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
return estimate + uint64(float32(estimate)*0.1), nil
|
|
}
|
|
|
|
// Gets signer public key from smart contract with a given chainId and address
|
|
func (api *API) GetSignerPubKey(ctx context.Context, chainID uint64, contractAddress string) (string, error) {
|
|
return api.s.GetSignerPubKey(ctx, chainID, contractAddress)
|
|
}
|
|
|
|
// Gets signer public key directly from deployer contract
|
|
func (api *API) SafeGetSignerPubKey(ctx context.Context, chainID uint64, communityID string) (string, error) {
|
|
return api.s.SafeGetSignerPubKey(ctx, chainID, communityID)
|
|
}
|
|
|
|
// Gets owner token contract address from deployer contract
|
|
func (api *API) SafeGetOwnerTokenAddress(ctx context.Context, chainID uint64, communityID string) (string, error) {
|
|
return api.s.SafeGetOwnerTokenAddress(ctx, chainID, communityID)
|
|
}
|
|
|
|
func (api *API) SetSignerPubKey(ctx context.Context, chainID uint64, contractAddress string, txArgs transactions.SendTxArgs, password string, newSignerPubKey string) (string, error) {
|
|
return api.s.SetSignerPubKey(ctx, chainID, contractAddress, txArgs, password, newSignerPubKey)
|
|
}
|
|
|
|
func (api *API) EstimateSetSignerPubKey(ctx context.Context, chainID uint64, contractAddress string, fromAddress string, newSignerPubKey string) (uint64, error) {
|
|
if len(newSignerPubKey) <= 0 {
|
|
return 0, fmt.Errorf("signerPubKey is empty")
|
|
}
|
|
return api.estimateMethod(ctx, chainID, contractAddress, fromAddress, "setSignerPublicKey", newSignerPubKey)
|
|
}
|