mirror of https://github.com/certusone/wasmd.git
344 lines
11 KiB
Go
344 lines
11 KiB
Go
package keeper
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import (
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"encoding/json"
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"fmt"
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wasmvmtypes "github.com/CosmWasm/wasmvm/types"
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codectypes "github.com/cosmos/cosmos-sdk/codec/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
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distributiontypes "github.com/cosmos/cosmos-sdk/x/distribution/types"
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govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
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stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
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ibctransfertypes "github.com/cosmos/ibc-go/v2/modules/apps/transfer/types"
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ibcclienttypes "github.com/cosmos/ibc-go/v2/modules/core/02-client/types"
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channeltypes "github.com/cosmos/ibc-go/v2/modules/core/04-channel/types"
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"github.com/CosmWasm/wasmd/x/wasm/types"
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)
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type BankEncoder func(sender sdk.AccAddress, msg *wasmvmtypes.BankMsg) ([]sdk.Msg, error)
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type CustomEncoder func(sender sdk.AccAddress, msg json.RawMessage) ([]sdk.Msg, error)
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type DistributionEncoder func(sender sdk.AccAddress, msg *wasmvmtypes.DistributionMsg) ([]sdk.Msg, error)
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type StakingEncoder func(sender sdk.AccAddress, msg *wasmvmtypes.StakingMsg) ([]sdk.Msg, error)
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type StargateEncoder func(sender sdk.AccAddress, msg *wasmvmtypes.StargateMsg) ([]sdk.Msg, error)
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type WasmEncoder func(sender sdk.AccAddress, msg *wasmvmtypes.WasmMsg) ([]sdk.Msg, error)
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type IBCEncoder func(ctx sdk.Context, sender sdk.AccAddress, contractIBCPortID string, msg *wasmvmtypes.IBCMsg) ([]sdk.Msg, error)
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type MessageEncoders struct {
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Bank func(sender sdk.AccAddress, msg *wasmvmtypes.BankMsg) ([]sdk.Msg, error)
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Custom func(sender sdk.AccAddress, msg json.RawMessage) ([]sdk.Msg, error)
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Distribution func(sender sdk.AccAddress, msg *wasmvmtypes.DistributionMsg) ([]sdk.Msg, error)
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IBC func(ctx sdk.Context, sender sdk.AccAddress, contractIBCPortID string, msg *wasmvmtypes.IBCMsg) ([]sdk.Msg, error)
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Staking func(sender sdk.AccAddress, msg *wasmvmtypes.StakingMsg) ([]sdk.Msg, error)
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Stargate func(sender sdk.AccAddress, msg *wasmvmtypes.StargateMsg) ([]sdk.Msg, error)
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Wasm func(sender sdk.AccAddress, msg *wasmvmtypes.WasmMsg) ([]sdk.Msg, error)
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Gov func(sender sdk.AccAddress, msg *wasmvmtypes.GovMsg) ([]sdk.Msg, error)
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}
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func DefaultEncoders(unpacker codectypes.AnyUnpacker, portSource types.ICS20TransferPortSource) MessageEncoders {
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return MessageEncoders{
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Bank: EncodeBankMsg,
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Custom: NoCustomMsg,
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Distribution: EncodeDistributionMsg,
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IBC: EncodeIBCMsg(portSource),
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Staking: EncodeStakingMsg,
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Stargate: EncodeStargateMsg(unpacker),
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Wasm: EncodeWasmMsg,
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Gov: EncodeGovMsg,
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}
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}
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func (e MessageEncoders) Merge(o *MessageEncoders) MessageEncoders {
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if o == nil {
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return e
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}
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if o.Bank != nil {
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e.Bank = o.Bank
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}
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if o.Custom != nil {
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e.Custom = o.Custom
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}
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if o.Distribution != nil {
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e.Distribution = o.Distribution
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}
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if o.IBC != nil {
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e.IBC = o.IBC
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}
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if o.Staking != nil {
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e.Staking = o.Staking
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}
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if o.Stargate != nil {
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e.Stargate = o.Stargate
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}
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if o.Wasm != nil {
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e.Wasm = o.Wasm
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}
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if o.Gov != nil {
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e.Gov = o.Gov
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}
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return e
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}
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func (e MessageEncoders) Encode(ctx sdk.Context, contractAddr sdk.AccAddress, contractIBCPortID string, msg wasmvmtypes.CosmosMsg) ([]sdk.Msg, error) {
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switch {
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case msg.Bank != nil:
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return e.Bank(contractAddr, msg.Bank)
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case msg.Custom != nil:
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return e.Custom(contractAddr, msg.Custom)
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case msg.Distribution != nil:
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return e.Distribution(contractAddr, msg.Distribution)
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case msg.IBC != nil:
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return e.IBC(ctx, contractAddr, contractIBCPortID, msg.IBC)
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case msg.Staking != nil:
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return e.Staking(contractAddr, msg.Staking)
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case msg.Stargate != nil:
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return e.Stargate(contractAddr, msg.Stargate)
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case msg.Wasm != nil:
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return e.Wasm(contractAddr, msg.Wasm)
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case msg.Gov != nil:
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return EncodeGovMsg(contractAddr, msg.Gov)
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}
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return nil, sdkerrors.Wrap(types.ErrUnknownMsg, "unknown variant of Wasm")
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}
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func EncodeBankMsg(sender sdk.AccAddress, msg *wasmvmtypes.BankMsg) ([]sdk.Msg, error) {
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if msg.Send == nil {
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return nil, sdkerrors.Wrap(types.ErrUnknownMsg, "unknown variant of Bank")
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}
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if len(msg.Send.Amount) == 0 {
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return nil, nil
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}
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toSend, err := convertWasmCoinsToSdkCoins(msg.Send.Amount)
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if err != nil {
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return nil, err
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}
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sdkMsg := banktypes.MsgSend{
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FromAddress: sender.String(),
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ToAddress: msg.Send.ToAddress,
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Amount: toSend,
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}
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return []sdk.Msg{&sdkMsg}, nil
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}
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func NoCustomMsg(sender sdk.AccAddress, msg json.RawMessage) ([]sdk.Msg, error) {
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return nil, sdkerrors.Wrap(types.ErrUnknownMsg, "custom variant not supported")
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}
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func EncodeDistributionMsg(sender sdk.AccAddress, msg *wasmvmtypes.DistributionMsg) ([]sdk.Msg, error) {
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switch {
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case msg.SetWithdrawAddress != nil:
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setMsg := distributiontypes.MsgSetWithdrawAddress{
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DelegatorAddress: sender.String(),
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WithdrawAddress: msg.SetWithdrawAddress.Address,
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}
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return []sdk.Msg{&setMsg}, nil
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case msg.WithdrawDelegatorReward != nil:
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withdrawMsg := distributiontypes.MsgWithdrawDelegatorReward{
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DelegatorAddress: sender.String(),
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ValidatorAddress: msg.WithdrawDelegatorReward.Validator,
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}
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return []sdk.Msg{&withdrawMsg}, nil
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default:
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return nil, sdkerrors.Wrap(types.ErrUnknownMsg, "unknown variant of Distribution")
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}
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}
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func EncodeStakingMsg(sender sdk.AccAddress, msg *wasmvmtypes.StakingMsg) ([]sdk.Msg, error) {
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switch {
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case msg.Delegate != nil:
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coin, err := convertWasmCoinToSdkCoin(msg.Delegate.Amount)
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if err != nil {
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return nil, err
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}
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sdkMsg := stakingtypes.MsgDelegate{
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DelegatorAddress: sender.String(),
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ValidatorAddress: msg.Delegate.Validator,
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Amount: coin,
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}
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return []sdk.Msg{&sdkMsg}, nil
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case msg.Redelegate != nil:
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coin, err := convertWasmCoinToSdkCoin(msg.Redelegate.Amount)
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if err != nil {
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return nil, err
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}
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sdkMsg := stakingtypes.MsgBeginRedelegate{
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DelegatorAddress: sender.String(),
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ValidatorSrcAddress: msg.Redelegate.SrcValidator,
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ValidatorDstAddress: msg.Redelegate.DstValidator,
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Amount: coin,
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}
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return []sdk.Msg{&sdkMsg}, nil
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case msg.Undelegate != nil:
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coin, err := convertWasmCoinToSdkCoin(msg.Undelegate.Amount)
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if err != nil {
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return nil, err
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}
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sdkMsg := stakingtypes.MsgUndelegate{
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DelegatorAddress: sender.String(),
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ValidatorAddress: msg.Undelegate.Validator,
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Amount: coin,
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}
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return []sdk.Msg{&sdkMsg}, nil
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default:
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return nil, sdkerrors.Wrap(types.ErrUnknownMsg, "unknown variant of Staking")
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}
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}
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func EncodeStargateMsg(unpacker codectypes.AnyUnpacker) StargateEncoder {
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return func(sender sdk.AccAddress, msg *wasmvmtypes.StargateMsg) ([]sdk.Msg, error) {
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any := codectypes.Any{
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TypeUrl: msg.TypeURL,
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Value: msg.Value,
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}
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var sdkMsg sdk.Msg
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if err := unpacker.UnpackAny(&any, &sdkMsg); err != nil {
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return nil, sdkerrors.Wrap(types.ErrInvalidMsg, fmt.Sprintf("Cannot unpack proto message with type URL: %s", msg.TypeURL))
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}
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if err := codectypes.UnpackInterfaces(sdkMsg, unpacker); err != nil {
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return nil, sdkerrors.Wrap(types.ErrInvalidMsg, fmt.Sprintf("UnpackInterfaces inside msg: %s", err))
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}
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return []sdk.Msg{sdkMsg}, nil
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}
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}
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func EncodeWasmMsg(sender sdk.AccAddress, msg *wasmvmtypes.WasmMsg) ([]sdk.Msg, error) {
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switch {
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case msg.Execute != nil:
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coins, err := convertWasmCoinsToSdkCoins(msg.Execute.Funds)
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if err != nil {
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return nil, err
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}
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sdkMsg := types.MsgExecuteContract{
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Sender: sender.String(),
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Contract: msg.Execute.ContractAddr,
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Msg: msg.Execute.Msg,
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Funds: coins,
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}
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return []sdk.Msg{&sdkMsg}, nil
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case msg.Instantiate != nil:
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coins, err := convertWasmCoinsToSdkCoins(msg.Instantiate.Funds)
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if err != nil {
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return nil, err
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}
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sdkMsg := types.MsgInstantiateContract{
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Sender: sender.String(),
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CodeID: msg.Instantiate.CodeID,
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Label: msg.Instantiate.Label,
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Msg: msg.Instantiate.Msg,
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Admin: msg.Instantiate.Admin,
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Funds: coins,
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}
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return []sdk.Msg{&sdkMsg}, nil
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case msg.Migrate != nil:
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sdkMsg := types.MsgMigrateContract{
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Sender: sender.String(),
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Contract: msg.Migrate.ContractAddr,
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CodeID: msg.Migrate.NewCodeID,
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Msg: msg.Migrate.Msg,
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}
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return []sdk.Msg{&sdkMsg}, nil
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case msg.ClearAdmin != nil:
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sdkMsg := types.MsgClearAdmin{
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Sender: sender.String(),
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Contract: msg.ClearAdmin.ContractAddr,
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}
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return []sdk.Msg{&sdkMsg}, nil
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case msg.UpdateAdmin != nil:
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sdkMsg := types.MsgUpdateAdmin{
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Sender: sender.String(),
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Contract: msg.UpdateAdmin.ContractAddr,
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NewAdmin: msg.UpdateAdmin.Admin,
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}
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return []sdk.Msg{&sdkMsg}, nil
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default:
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return nil, sdkerrors.Wrap(types.ErrUnknownMsg, "unknown variant of Wasm")
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}
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}
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func EncodeIBCMsg(portSource types.ICS20TransferPortSource) func(ctx sdk.Context, sender sdk.AccAddress, contractIBCPortID string, msg *wasmvmtypes.IBCMsg) ([]sdk.Msg, error) {
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return func(ctx sdk.Context, sender sdk.AccAddress, contractIBCPortID string, msg *wasmvmtypes.IBCMsg) ([]sdk.Msg, error) {
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switch {
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case msg.CloseChannel != nil:
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return []sdk.Msg{&channeltypes.MsgChannelCloseInit{
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PortId: PortIDForContract(sender),
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ChannelId: msg.CloseChannel.ChannelID,
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Signer: sender.String(),
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}}, nil
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case msg.Transfer != nil:
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amount, err := convertWasmCoinToSdkCoin(msg.Transfer.Amount)
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if err != nil {
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return nil, sdkerrors.Wrap(err, "amount")
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}
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msg := &ibctransfertypes.MsgTransfer{
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SourcePort: portSource.GetPort(ctx),
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SourceChannel: msg.Transfer.ChannelID,
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Token: amount,
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Sender: sender.String(),
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Receiver: msg.Transfer.ToAddress,
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TimeoutHeight: convertWasmIBCTimeoutHeightToCosmosHeight(msg.Transfer.Timeout.Block),
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TimeoutTimestamp: msg.Transfer.Timeout.Timestamp,
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}
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return []sdk.Msg{msg}, nil
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default:
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return nil, sdkerrors.Wrap(types.ErrUnknownMsg, "Unknown variant of IBC")
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}
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}
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}
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func EncodeGovMsg(sender sdk.AccAddress, msg *wasmvmtypes.GovMsg) ([]sdk.Msg, error) {
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var option govtypes.VoteOption
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switch msg.Vote.Vote {
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case wasmvmtypes.Yes:
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option = govtypes.OptionYes
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case wasmvmtypes.No:
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option = govtypes.OptionNo
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case wasmvmtypes.NoWithVeto:
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option = govtypes.OptionNoWithVeto
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case wasmvmtypes.Abstain:
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option = govtypes.OptionAbstain
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}
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vote := &govtypes.MsgVote{
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ProposalId: msg.Vote.ProposalId,
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Voter: sender.String(),
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Option: option,
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}
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return []sdk.Msg{vote}, nil
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}
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func convertWasmIBCTimeoutHeightToCosmosHeight(ibcTimeoutBlock *wasmvmtypes.IBCTimeoutBlock) ibcclienttypes.Height {
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if ibcTimeoutBlock == nil {
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return ibcclienttypes.NewHeight(0, 0)
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}
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return ibcclienttypes.NewHeight(ibcTimeoutBlock.Revision, ibcTimeoutBlock.Height)
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}
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func convertWasmCoinsToSdkCoins(coins []wasmvmtypes.Coin) (sdk.Coins, error) {
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var toSend sdk.Coins
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for _, coin := range coins {
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c, err := convertWasmCoinToSdkCoin(coin)
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if err != nil {
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return nil, err
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}
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toSend = append(toSend, c)
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}
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return toSend, nil
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}
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func convertWasmCoinToSdkCoin(coin wasmvmtypes.Coin) (sdk.Coin, error) {
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amount, ok := sdk.NewIntFromString(coin.Amount)
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if !ok {
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return sdk.Coin{}, sdkerrors.Wrap(sdkerrors.ErrInvalidCoins, coin.Amount+coin.Denom)
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}
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r := sdk.Coin{
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Denom: coin.Denom,
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Amount: amount,
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}
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return r, r.Validate()
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}
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