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8 changes: 7 additions & 1 deletion CHANGELOG.md
Original file line number Diff line number Diff line change
Expand Up @@ -37,9 +37,15 @@ Ref: https://keepachangelog.com/en/1.0.0/

## Unreleased

### State Machine Breaking

- (rpc) [#2877](https://github.com/evmos/evmos/pull/2877) Add revert reason for `eth_estimateGas`

## [v19.2.0] - 2024-08-19
### Bug Fixes

- (erc20) [#2892](https://github.com/evmos/evmos/pull/2892) Keep `MsgConvertCoin` interface registered for backwards compatibility.

## [v19.2.0](https://github.com/evmos/evmos/releases/tag/v19.2.0) - 2024-08-19

### State Machine Breaking

Expand Down
3 changes: 3 additions & 0 deletions x/erc20/types/codec.go
Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ var (
const (
// Amino names
convertERC20Name = "evmos/MsgConvertERC20"
convertCoinName = "evmos/MsgConvertCoin" // keep it for backwards compatibility when querying txs
updateParams = "evmos/erc20/MsgUpdateParams"
)

Expand All @@ -41,6 +42,7 @@ func init() {
func RegisterInterfaces(registry codectypes.InterfaceRegistry) {
registry.RegisterImplementations(
(*sdk.Msg)(nil),
&MsgConvertCoin{}, // keep it for backwards compatibility when querying txs
&MsgConvertERC20{},
&MsgUpdateParams{},
)
Expand All @@ -60,4 +62,5 @@ func RegisterInterfaces(registry codectypes.InterfaceRegistry) {
func RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
cdc.RegisterConcrete(&MsgUpdateParams{}, updateParams, nil)
cdc.RegisterConcrete(&MsgConvertERC20{}, convertERC20Name, nil)
cdc.RegisterConcrete(&MsgConvertCoin{}, convertCoinName, nil)
}
34 changes: 34 additions & 0 deletions x/erc20/types/msg.go
Original file line number Diff line number Diff line change
Expand Up @@ -8,12 +8,14 @@ import (
"cosmossdk.io/math"
sdk "github.com/cosmos/cosmos-sdk/types"
errortypes "github.com/cosmos/cosmos-sdk/types/errors"
ibctransfertypes "github.com/cosmos/ibc-go/v7/modules/apps/transfer/types"

"github.com/ethereum/go-ethereum/common"
)

var (
_ sdk.Msg = &MsgConvertERC20{}
_ sdk.Msg = &MsgConvertCoin{}
_ sdk.Msg = &MsgUpdateParams{}
)

Expand Down Expand Up @@ -85,3 +87,35 @@ func (m *MsgUpdateParams) ValidateBasic() error {
func (m MsgUpdateParams) GetSignBytes() []byte {
return sdk.MustSortJSON(AminoCdc.MustMarshalJSON(&m))
}

// ValidateBasic runs stateless checks on the message
func (msg MsgConvertCoin) ValidateBasic() error {
if err := ValidateErc20Denom(msg.Coin.Denom); err != nil {
if err := ibctransfertypes.ValidateIBCDenom(msg.Coin.Denom); err != nil {
return err
}
}

if !msg.Coin.Amount.IsPositive() {
return errorsmod.Wrapf(errortypes.ErrInvalidCoins, "cannot mint a non-positive amount")
}
_, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
return errorsmod.Wrap(err, "invalid sender address")
}
if !common.IsHexAddress(msg.Receiver) {
return errorsmod.Wrapf(errortypes.ErrInvalidAddress, "invalid receiver hex address %s", msg.Receiver)
}
return nil
}

// GetSignBytes encodes the message for signing
func (msg MsgConvertCoin) GetSignBytes() []byte {
return sdk.MustSortJSON(AminoCdc.MustMarshalJSON(&msg))
}

// GetSigners defines whose signature is required
func (msg MsgConvertCoin) GetSigners() []sdk.AccAddress {
addr := sdk.MustAccAddressFromBech32(msg.Sender)
return []sdk.AccAddress{addr}
}
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