/
deposit_erc1155.go
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/
deposit_erc1155.go
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package erc1155
import (
"fmt"
"math/big"
"strings"
"github.com/spf13/cobra"
"github.com/umbracle/ethgo"
"github.com/0xPolygon/polygon-edge/command"
"github.com/0xPolygon/polygon-edge/command/bridge/common"
"github.com/0xPolygon/polygon-edge/command/rootchain/helper"
"github.com/0xPolygon/polygon-edge/consensus/polybft/contractsapi"
helperCommon "github.com/0xPolygon/polygon-edge/helper/common"
"github.com/0xPolygon/polygon-edge/txrelayer"
"github.com/0xPolygon/polygon-edge/types"
)
type depositERC1155Params struct {
*common.ERC1155BridgeParams
minterKey string
}
var (
// depositParams is abstraction for provided bridge parameter values
dp *depositERC1155Params = &depositERC1155Params{ERC1155BridgeParams: common.NewERC1155BridgeParams()}
)
// GetCommand returns the bridge deposit command
func GetCommand() *cobra.Command {
depositCmd := &cobra.Command{
Use: "deposit-erc1155",
Short: "Deposits ERC 1155 tokens from the origin to the destination chain",
PreRunE: preRunCommand,
Run: runCommand,
}
dp.RegisterCommonFlags(depositCmd)
depositCmd.Flags().StringSliceVar(
&dp.Amounts,
common.AmountsFlag,
nil,
"amounts that are sent to the receivers accounts",
)
depositCmd.Flags().StringSliceVar(
&dp.TokenIDs,
common.TokenIDsFlag,
nil,
"token ids that are sent to the receivers accounts",
)
depositCmd.Flags().StringVar(
&dp.TokenAddr,
common.RootTokenFlag,
"",
"root ERC 1155 token address",
)
depositCmd.Flags().StringVar(
&dp.PredicateAddr,
common.RootPredicateFlag,
"",
"root ERC 1155 token predicate address",
)
depositCmd.Flags().StringVar(
&dp.minterKey,
common.MinterKeyFlag,
"",
common.MinterKeyFlagDesc,
)
_ = depositCmd.MarkFlagRequired(common.ReceiversFlag)
_ = depositCmd.MarkFlagRequired(common.AmountsFlag)
_ = depositCmd.MarkFlagRequired(common.TokenIDsFlag)
_ = depositCmd.MarkFlagRequired(common.RootTokenFlag)
_ = depositCmd.MarkFlagRequired(common.RootPredicateFlag)
return depositCmd
}
func preRunCommand(_ *cobra.Command, _ []string) error {
return dp.Validate()
}
func runCommand(cmd *cobra.Command, _ []string) {
outputter := command.InitializeOutputter(cmd)
defer outputter.WriteOutput()
depositorKey, err := helper.DecodePrivateKey(dp.SenderKey)
if err != nil {
outputter.SetError(fmt.Errorf("failed to initialize depositor private key: %w", err))
}
depositorAddr := depositorKey.Address()
txRelayer, err := txrelayer.NewTxRelayer(txrelayer.WithIPAddress(dp.JSONRPCAddr))
if err != nil {
outputter.SetError(fmt.Errorf("failed to initialize tx relayer: %w", err))
return
}
amounts := make([]*big.Int, len(dp.Amounts))
tokenIDs := make([]*big.Int, len(dp.TokenIDs))
for i := range dp.Receivers {
amountRaw := dp.Amounts[i]
tokenIDRaw := dp.TokenIDs[i]
amount, err := helperCommon.ParseUint256orHex(&amountRaw)
if err != nil {
outputter.SetError(fmt.Errorf("failed to decode provided amount %s: %w", amountRaw, err))
return
}
amounts[i] = amount
tokenID, err := helperCommon.ParseUint256orHex(&tokenIDRaw)
if err != nil {
outputter.SetError(fmt.Errorf("failed to decode provided token id %s: %w", tokenIDRaw, err))
return
}
tokenIDs[i] = tokenID
}
if dp.minterKey != "" {
minterKey, err := helper.DecodePrivateKey(dp.minterKey)
if err != nil {
outputter.SetError(fmt.Errorf("invalid minter key provided: %w", err))
return
}
// mint tokens to depositor, so he is able to send them
mintTxn, err := createMintTxn(types.Address(depositorAddr), types.Address(depositorAddr), amounts, tokenIDs)
if err != nil {
outputter.SetError(fmt.Errorf("mint transaction creation failed: %w", err))
return
}
receipt, err := txRelayer.SendTransaction(mintTxn, minterKey)
if err != nil {
outputter.SetError(fmt.Errorf("failed to send mint transaction to depositor %s: %w", depositorAddr, err))
return
}
if receipt.Status == uint64(types.ReceiptFailed) {
outputter.SetError(fmt.Errorf("failed to mint tokens to depositor %s", depositorAddr))
return
}
}
// approve root erc1155 predicate
approveTxn, err := createApproveERC1155PredicateTxn(
types.StringToAddress(dp.PredicateAddr),
types.StringToAddress(dp.TokenAddr))
if err != nil {
outputter.SetError(fmt.Errorf("failed to create root erc 1155 approve transaction: %w", err))
return
}
receipt, err := txRelayer.SendTransaction(approveTxn, depositorKey)
if err != nil {
outputter.SetError(fmt.Errorf("failed to send root erc 1155 approve transaction: %w", err))
return
}
if receipt.Status == uint64(types.ReceiptFailed) {
outputter.SetError(fmt.Errorf("failed to approve root erc 1155 predicate"))
return
}
receivers := make([]ethgo.Address, len(dp.Receivers))
for i, receiverRaw := range dp.Receivers {
receivers[i] = ethgo.Address(types.StringToAddress(receiverRaw))
}
// deposit tokens
depositTxn, err := createDepositTxn(depositorAddr, receivers, amounts, tokenIDs)
if err != nil {
outputter.SetError(fmt.Errorf("failed to create tx input: %w", err))
return
}
receipt, err = txRelayer.SendTransaction(depositTxn, depositorKey)
if err != nil {
outputter.SetError(fmt.Errorf("sending deposit transactions failed (receivers: %s, amount: %s): %w",
strings.Join(dp.Receivers, ", "), strings.Join(dp.Amounts, ", "), err))
return
}
if receipt.Status == uint64(types.ReceiptFailed) {
outputter.SetError(fmt.Errorf("sending deposit transactions failed (receivers: %s, amounts: %s)",
strings.Join(dp.Receivers, ", "), strings.Join(dp.Amounts, ", ")))
return
}
res := &common.BridgeTxResult{
Sender: depositorAddr.String(),
Receivers: dp.Receivers,
Amounts: dp.Amounts,
TokenIDs: dp.TokenIDs,
BlockNumbers: []uint64{receipt.BlockNumber},
Title: "DEPOSIT ERC 1155",
}
if dp.ChildChainMintable {
exitEventIDs, err := common.ExtractExitEventIDs(receipt)
if err != nil {
outputter.SetError(fmt.Errorf("failed to extract exit event: %w", err))
return
}
res.ExitEventIDs = exitEventIDs
}
// populate child token address if a token is mapped alongside with deposit
childToken, err := common.ExtractChildTokenAddr(receipt, dp.ChildChainMintable)
if err != nil {
outputter.SetError(fmt.Errorf("failed to extract child token address: %w", err))
return
}
res.ChildTokenAddr = childToken
outputter.SetCommandResult(res)
}
// createDepositTxn encodes parameters for deposit function on rootchain predicate contract
func createDepositTxn(sender ethgo.Address, receivers []ethgo.Address,
amounts, tokenIDs []*big.Int) (*ethgo.Transaction, error) {
depositBatchFn := &contractsapi.DepositBatchRootERC1155PredicateFn{
RootToken: types.StringToAddress(dp.TokenAddr),
Receivers: receivers,
TokenIDs: tokenIDs,
Amounts: amounts,
}
input, err := depositBatchFn.EncodeAbi()
if err != nil {
return nil, fmt.Errorf("failed to encode provided parameters: %w", err)
}
addr := ethgo.Address(types.StringToAddress(dp.PredicateAddr))
return helper.CreateTransaction(sender, &addr, input,
nil, !dp.ChildChainMintable), nil
}
// createMintTxn encodes parameters for mint function on rootchain token contract
func createMintTxn(sender, receiver types.Address, amounts, tokenIDs []*big.Int) (*ethgo.Transaction, error) {
mintFn := &contractsapi.MintBatchRootERC1155Fn{
To: receiver,
Amounts: amounts,
IDs: tokenIDs,
}
input, err := mintFn.EncodeAbi()
if err != nil {
return nil, fmt.Errorf("failed to encode provided parameters: %w", err)
}
addr := ethgo.Address(types.StringToAddress(dp.TokenAddr))
return helper.CreateTransaction(ethgo.Address(sender), &addr,
input, nil, !dp.ChildChainMintable), nil
}
// createApproveERC1155PredicateTxn sends approve transaction
// to ERC1155 token for ERC1155 predicate so that it is able to spend given tokens
func createApproveERC1155PredicateTxn(rootERC1155Predicate,
rootERC1155Token types.Address) (*ethgo.Transaction, error) {
approveFnParams := &contractsapi.SetApprovalForAllRootERC1155Fn{
Operator: rootERC1155Predicate,
Approved: true,
}
input, err := approveFnParams.EncodeAbi()
if err != nil {
return nil, fmt.Errorf("failed to encode parameters for RootERC1155.setApprovalForAll. error: %w", err)
}
addr := ethgo.Address(rootERC1155Token)
return helper.CreateTransaction(ethgo.ZeroAddress, &addr,
input, nil, !dp.ChildChainMintable), nil
}