keeper

package
v0.12.2 Latest Latest
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 Go to latest Published: Oct 30, 2024 License: Apache-2.0 Imports: 47 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func CheckSenderBalance 

func CheckSenderBalance(
	balance sdkmath.Int,
	txData evmtypes.TxData,
) error

CheckSenderBalance validates that the tx cost value is positive and that the sender has enough funds to pay for the fees and value of the transaction.

func GasToRefund 

func GasToRefund(availableRefund, gasConsumed, refundQuotient uint64) uint64

GasToRefund calculates the amount of gas the state machine should refund to the sender. It is capped by the refund quotient value. Note: do not pass 0 to refundQuotient

Types

type Keeper 

type Keeper struct {
	// contains filtered or unexported fields
}

Keeper grants access to the EVM module state and implements the go-ethereum StateDB interface.

func NewKeeper 

func NewKeeper(
	cdc codec.BinaryCodec,
	storeKey storetypes.StoreKey,
	ak types.AccountKeeper, bankKeeper types.BankKeeper, sk types.StakingKeeper,
	authority string,
) *Keeper

NewKeeper generates new evm module keeper

func (Keeper) Account 

func (k Keeper) Account(c context.Context, req *types.QueryAccountRequest) (*types.QueryAccountResponse, error)

Account implements the Query/Account gRPC method

func (*Keeper) AddEvents added in v0.12.0 

func (k *Keeper) AddEvents(events sdk.Events)

cosmos events

func (Keeper) AddTransientGasUsed 

func (k Keeper) AddTransientGasUsed(ctx sdk.Context, gasUsed uint64) (uint64, error)

AddTransientGasUsed accumulate gas used by each eth msgs included in current cosmos tx.

func (*Keeper) AddTypedEvents added in v0.12.0 

func (k *Keeper) AddTypedEvents(tevs []proto.Message) error

func (Keeper) AddressConvert added in v0.10.0 

func (k Keeper) AddressConvert(_ context.Context, req *types.QueryAddressConvertRequest) (*types.QueryAddressConvertResponse, error)

func (*Keeper) ApplyAutoMessageWithConfig added in v0.12.0 

func (k *Keeper) ApplyAutoMessageWithConfig(ctx sdk.Context, msg core.Message, tracer vm.EVMLogger, commit bool, cfg *types.EVMConfig, txConfig statedb.TxConfig) (*types.MsgEthereumTxResponse, error)

ApplyAutoMessageWithConfig automatic handle where msg should be proceed

func (*Keeper) ApplyCosmosMessageWithConfig added in v0.12.0 

func (k *Keeper) ApplyCosmosMessageWithConfig(ctx sdk.Context, msg core.Message, tracer vm.EVMLogger, commit bool, cfg *types.EVMConfig, txConfig statedb.TxConfig) (*types.MsgEthereumTxResponse, error)

ApplyCosmosMessageWithConfig runs and attempts to perform a state transition with the given transaction for cosmos msd (i.e. Message), that will only be persisted (committed) to the underlying KVStore if the transaction does not fail. It will be executed only if all checks are fine. In case tx aborted, it should not been even commited because it does not use statedb

func (*Keeper) ApplyEvents added in v0.12.0 

func (k *Keeper) ApplyEvents(ctx sdk.Context, isVmError bool)

func (*Keeper) ApplyMessage 

func (k *Keeper) ApplyMessage(ctx sdk.Context, msg core.Message, tracer vm.EVMLogger, commit bool) (*types.MsgEthereumTxResponse, error)

ApplyMessage calls ApplyMessageWithConfig with default EVMConfig

func (*Keeper) ApplyMessageWithConfig 

func (k *Keeper) ApplyMessageWithConfig(ctx sdk.Context, msg core.Message, tracer vm.EVMLogger, commit bool, cfg *types.EVMConfig, txConfig statedb.TxConfig) (*types.MsgEthereumTxResponse, error)

ApplyMessageWithConfig computes the new state by applying the given message against the existing state. If the message fails, the VM execution error with the reason will be returned to the client and the transaction won't be committed to the store.

Reverted state

The snapshot and rollback are supported by the `statedb.StateDB`.

Different Callers

It's called in three scenarios: 1. `ApplyTransaction`, in the transaction processing flow. 2. `EthCall/EthEstimateGas` grpc query handler. 3. Called by other native modules directly.

Prechecks and Preprocessing

All relevant state transition prechecks for the MsgEthereumTx are performed on the AnteHandler, prior to running the transaction against the state. The prechecks run are the following:

1. the nonce of the message caller is correct 2. caller has enough balance to cover transaction fee(gaslimit * gasprice) 3. the amount of gas required is available in the block 4. the purchased gas is enough to cover intrinsic usage 5. there is no overflow when calculating intrinsic gas 6. caller has enough balance to cover asset transfer for **topmost** call

The preprocessing steps performed by the AnteHandler are:

1. set up the initial access list (iff fork > Berlin)

Tracer parameter

It should be a `vm.Tracer` object or nil, if pass `nil`, it'll create a default one based on keeper options.

Commit parameter

If commit is true, the `StateDB` will be committed, otherwise discarded.

func (*Keeper) ApplyTransaction 

func (k *Keeper) ApplyTransaction(ctx sdk.Context, tx *ethtypes.Transaction) (*types.MsgEthereumTxResponse, error)

ApplyTransaction runs and attempts to perform a state transition with the given transaction (i.e. Message), that will only be persisted (committed) to the underlying KVStore if the transaction does not fail.

Gas tracking

Ethereum consumes gas according to the EVM opcodes instead of general reads and writes to store. Because of this, the state transition needs to ignore the SDK gas consumption mechanism defined by the GasKVStore and instead consume the amount of gas used by the VM execution. The amount of gas used is tracked by the EVM and returned in the execution result.

Prior to the execution, the starting tx gas meter is saved and replaced with an infinite gas meter in a new context in order to ignore the SDK gas consumption config values (read, write, has, delete). After the execution, the gas used from the message execution will be added to the starting gas consumed, taking into consideration the amount of gas returned. Finally, the context is updated with the EVM gas consumed value prior to returning.

For relevant discussion see: https://github.com/cosmos/cosmos-sdk/discussions/9072

func (Keeper) Balance 

func (k Keeper) Balance(c context.Context, req *types.QueryBalanceRequest) (*types.QueryBalanceResponse, error)

Balance implements the Query/Balance gRPC method

func (Keeper) BaseFee 

func (k Keeper) BaseFee(c context.Context, _ *types.QueryBaseFeeRequest) (*types.QueryBaseFeeResponse, error)

BaseFee implements the Query/BaseFee gRPC method

func (Keeper) BaseFeeParam 

func (k Keeper) BaseFeeParam(c context.Context, _ *types.QueryBaseFeeRequest) (*types.QueryBaseFeeResponse, error)

BaseFeeParam implements the Query/BaseFeeParam gRPC method

func (Keeper) BlockGas 

func (k Keeper) BlockGas(c context.Context, _ *types.QueryBlockGasRequest) (*types.QueryBlockGasResponse, error)

BlockGas implements the Query/BlockGas gRPC method

func (Keeper) CalculateBaseFee 

func (k Keeper) CalculateBaseFee(ctx sdk.Context) *big.Int

CalculateBaseFee calculates the base fee for the current block. This is only calculated once per block during BeginBlock. If the NoBaseFee parameter is enabled or below activation height, this function returns nil. NOTE: This code is inspired from the go-ethereum EIP1559 implementation and adapted to Cosmos SDK-based chains. For the canonical code refer to: https://github.com/ethereum/go-ethereum/blob/master/consensus/misc/eip1559.go

func (Keeper) Code 

func (k Keeper) Code(c context.Context, req *types.QueryCodeRequest) (*types.QueryCodeResponse, error)

Code implements the Query/Code gRPC method

func (Keeper) CosmosAccount 

func (k Keeper) CosmosAccount(c context.Context, req *types.QueryCosmosAccountRequest) (*types.QueryCosmosAccountResponse, error)

func (Keeper) DeductTxCostsFromUserBalance 

func (k Keeper) DeductTxCostsFromUserBalance(
	ctx sdk.Context,
	msgEthTx evmtypes.MsgEthereumTx,
	txData evmtypes.TxData,
	denom string,
	homestead, istanbul, london bool,
) (sdk.Coins, error)

DeductTxCostsFromUserBalance it calculates the tx costs and deducts the fees

func (*Keeper) DeleteAccount 

func (k *Keeper) DeleteAccount(ctx sdk.Context, addr common.Address) error

DeleteAccount handles contract's suicide call: - clear balance - remove code - remove states - remove auth account

func (*Keeper) EVMConfig 

func (k *Keeper) EVMConfig(ctx sdk.Context) (*types.EVMConfig, error)

EVMConfig creates the EVMConfig based on current state

func (Keeper) EmitBlockBloomEvent 

func (k Keeper) EmitBlockBloomEvent(ctx sdk.Context, bloom ethtypes.Bloom) error

EmitBlockBloomEvent emit block bloom events

func (Keeper) EstimateGas 

func (k Keeper) EstimateGas(c context.Context, req *types.EthCallRequest) (*types.EstimateGasResponse, error)

EstimateGas implements eth_estimateGas rpc api.

func (Keeper) EthCall 

func (k Keeper) EthCall(c context.Context, req *types.EthCallRequest) (*types.MsgEthereumTxResponse, error)

EthCall implements eth_call rpc api.

func (*Keeper) EthereumTx 

func (k *Keeper) EthereumTx(goCtx context.Context, msg *types.MsgEthereumTx) (*types.MsgEthereumTxResponse, error)

EthereumTx implements the gRPC MsgServer interface. It receives a transaction which is then executed (i.e. applied) against the go-ethereum EVM. The provided SDK Context is set to the Keeper so that it can implement and call the StateDB methods without receiving it as a function parameter.

func (*Keeper) ExportGenesis added in v0.12.0 

func (k *Keeper) ExportGenesis(ctx sdk.Context, ak types.AccountKeeper) *types.GenesisState

ExportGenesis exports genesis state of the EVM module

func (*Keeper) ForEachStorage 

func (k *Keeper) ForEachStorage(ctx sdk.Context, addr common.Address, cb func(key, value common.Hash) bool)

ForEachStorage iterate contract storage, callback return false to break early

func (*Keeper) GetAccount 

func (k *Keeper) GetAccount(ctx sdk.Context, addr common.Address) *statedb.Account

GetAccount returns nil if account is not exist, returns error if it's not `EthAccountI`

func (*Keeper) GetAccountOrEmpty 

func (k *Keeper) GetAccountOrEmpty(ctx sdk.Context, addr common.Address) statedb.Account

GetAccountOrEmpty returns empty account if not exist, returns error if it's not `EthAccount`

func (Keeper) GetAccountStorage 

func (k Keeper) GetAccountStorage(ctx sdk.Context, address common.Address) types.Storage

GetAccountStorage return state storage associated with an account

func (*Keeper) GetAccountWithoutBalance 

func (k *Keeper) GetAccountWithoutBalance(ctx sdk.Context, addr common.Address) *statedb.Account

GetAccountWithoutBalance load nonce and codehash without balance, more efficient in cases where balance is not needed.

func (*Keeper) GetBalance 

func (k *Keeper) GetBalance(ctx sdk.Context, addr common.Address) *big.Int

GetBalance load account's balance of gas token

func (*Keeper) GetBalanceV011 added in v0.12.2 

func (k *Keeper) GetBalanceV011(ctx sdk.Context, addr common.Address) *big.Int

GetBalanceV011 load account's balance of gas token for th old blocks before migrations

func (Keeper) GetBaseFee 

func (k Keeper) GetBaseFee(ctx sdk.Context, ethCfg *params.ChainConfig) *big.Int

GetBaseFee returns current base fee, return values: - `nil`: london hardfork not enabled. - `0`: london hardfork enabled but feemarket is not enabled. - `n`: both london hardfork and feemarket are enabled.

func (Keeper) GetBaseFeeParam 

func (k Keeper) GetBaseFeeParam(ctx sdk.Context) *big.Int

GetBaseFeeParam get's the base fee from the paramSpace return nil if base fee is not enabled

func (Keeper) GetBaseFeeParamV011 added in v0.12.0 

func (k Keeper) GetBaseFeeParamV011(ctx sdk.Context) *big.Int

GetBaseFeeParam get's the base fee from the paramSpace return nil if base fee is not enabled

func (Keeper) GetBlockBloomTransient 

func (k Keeper) GetBlockBloomTransient(ctx sdk.Context) *big.Int

GetBlockBloomTransient returns bloom bytes for the current block height

func (Keeper) GetBlockGasUsed 

func (k Keeper) GetBlockGasUsed(ctx sdk.Context) uint64

GetBlockGasUsed returns the last block gas used value from the store.

func (*Keeper) GetCode 

func (k *Keeper) GetCode(ctx sdk.Context, codeHash common.Hash) []byte

GetCode loads contract code from database, implements `statedb.Keeper` interface.

func (Keeper) GetCoinbaseAddress 

func (k Keeper) GetCoinbaseAddress(ctx sdk.Context) (common.Address, error)

GetCoinbaseAddress returns the block proposer's validator operator address.

func (*Keeper) GetEthIntrinsicGas 

func (k *Keeper) GetEthIntrinsicGas(ctx sdk.Context, msg core.Message, cfg *params.ChainConfig, isContractCreation bool) (uint64, error)

GetEthIntrinsicGas returns the intrinsic gas cost for the transaction

func (Keeper) GetHashFn 

func (k Keeper) GetHashFn(ctx sdk.Context) vm.GetHashFunc

GetHashFn implements vm.GetHashFunc for stratos. It handles 3 cases:

  1. The requested height matches the current height from context (and thus same epoch number)
  2. The requested height is from a previous height from the same chain epoch
  3. The requested height is from a height greater than the latest one

func (Keeper) GetLogSizeTransient 

func (k Keeper) GetLogSizeTransient(ctx sdk.Context) uint64

GetLogSizeTransient returns EVM log index on the current block.

func (*Keeper) GetNonce 

func (k *Keeper) GetNonce(ctx sdk.Context, addr common.Address) uint64

GetNonce returns the sequence number of an account, returns 0 if not exists.

func (Keeper) GetParams 

func (k Keeper) GetParams(ctx sdk.Context) (p types.Params)

GetParams returns the params from the store

func (Keeper) GetParamsV011 added in v0.12.0 

func (k Keeper) GetParamsV011(ctx sdk.Context) (params types.Params)

GetParams returns the total set of evm parameters.

func (Keeper) GetSdkMsg added in v0.12.0 

func (k Keeper) GetSdkMsg(from sdk.AccAddress, data []byte) (*types.MsgCosmosData, error)

GetSdkMsg return prepared msg from data

func (*Keeper) GetState 

func (k *Keeper) GetState(ctx sdk.Context, addr common.Address, key common.Hash) common.Hash

GetState loads contract state from database, implements `statedb.Keeper` interface.

func (Keeper) GetTransientGasUsed 

func (k Keeper) GetTransientGasUsed(ctx sdk.Context) uint64

GetTransientGasUsed returns the gas used by current cosmos tx.

func (Keeper) GetTxIndexTransient 

func (k Keeper) GetTxIndexTransient(ctx sdk.Context) uint64

GetTxIndexTransient returns EVM transaction index on the current block.

func (*Keeper) InitGenesis added in v0.12.0 

func (k *Keeper) InitGenesis(
	ctx sdk.Context,
	accountKeeper types.AccountKeeper,
	data types.GenesisState,
) []abci.ValidatorUpdate

InitGenesis initializes genesis state based on exported genesis

func (Keeper) Logger 

func (k Keeper) Logger(ctx sdk.Context) log.Logger

Logger returns a module-specific logger.

func (*Keeper) NewEVM 

func (k *Keeper) NewEVM(
	ctx sdk.Context,
	msg core.Message,
	cfg *types.EVMConfig,
	tracer vm.EVMLogger,
	stateDB vm.StateDB,
) *vm.EVM

NewEVM generates a go-ethereum VM from the provided Message fields and the chain parameters (ChainConfig and module Params). It additionally sets the validator operator address as the coinbase address to make it available for the COINBASE opcode, even though there is no beneficiary of the coinbase transaction (since we're not mining).

func (Keeper) Params 

func (k Keeper) Params(c context.Context, _ *types.QueryParamsRequest) (*types.QueryParamsResponse, error)

Params implements the Query/Params gRPC method

func (*Keeper) ParseProtoFromDataFn added in v0.12.0 

func (k *Keeper) ParseProtoFromDataFn(ctx sdk.Context) vm.ParseProtoFromDataFunc

ParseProtoFromDataFn parse data and get proto info

func (*Keeper) PostTxProcessing 

func (k *Keeper) PostTxProcessing(ctx sdk.Context, msg core.Message, receipt *ethtypes.Receipt) error

PostTxProcessing delegate the call to the hooks. If no hook has been registered, this function returns with a `nil` error

func (*Keeper) RefundGas 

func (k *Keeper) RefundGas(ctx sdk.Context, msg core.Message, leftoverGas uint64, denom string) error

RefundGas transfers the leftover gas to the sender of the message, caped to half of the total gas consumed in the transaction. Additionally, the function sets the total gas consumed to the value returned by the EVM execution, thus ignoring the previous intrinsic gas consumed during in the AnteHandler.

func (*Keeper) ResetGasMeterAndConsumeGas 

func (k *Keeper) ResetGasMeterAndConsumeGas(ctx sdk.Context, gasUsed uint64)

ResetGasMeterAndConsumeGas reset first the gas meter consumed value to zero and set it back to the new value 'gasUsed'

func (Keeper) ResetTransientGasUsed 

func (k Keeper) ResetTransientGasUsed(ctx sdk.Context)

ResetTransientGasUsed reset gas used to prepare for execution of current cosmos tx, called in ante handler.

func (*Keeper) RunSdkMsgFn added in v0.12.0 

func (k *Keeper) RunSdkMsgFn(ctx sdk.Context, simulate bool) vm.RunSdkMsgFunc

RunSdkMsg execute cosmos msg from payload (NOTE: simulate=true always in smart contracts!!!)

func (*Keeper) SetAccount 

func (k *Keeper) SetAccount(ctx sdk.Context, addr common.Address, account statedb.Account) error

SetAccount updates nonce/balance/codeHash together.

func (*Keeper) SetBalance 

func (k *Keeper) SetBalance(ctx sdk.Context, addr common.Address, amount *big.Int) error

SetBalance update account's balance, compare with current balance first, then decide to mint or burn.

func (Keeper) SetBaseFeeParam 

func (k Keeper) SetBaseFeeParam(ctx sdk.Context, baseFee *big.Int)

SetBaseFeeParam set's the base fee in the paramSpace

func (Keeper) SetBlockBloomTransient 

func (k Keeper) SetBlockBloomTransient(ctx sdk.Context, bloom *big.Int)

SetBlockBloomTransient sets the given bloom bytes to the transient store. This value is reset on every block.

func (Keeper) SetBlockGasUsed 

func (k Keeper) SetBlockGasUsed(ctx sdk.Context, gas uint64)

SetBlockGasUsed gets the block gas consumed to the store. CONTRACT: this should be only called during EndBlock.

func (*Keeper) SetCode 

func (k *Keeper) SetCode(ctx sdk.Context, codeHash, code []byte)

SetCode set contract code, delete if code is empty.

func (*Keeper) SetHooks 

func (k *Keeper) SetHooks(eh types.EvmHooks) *Keeper

SetHooks sets the hooks for the EVM module It should be called only once during initialization, it panics if called more than once.

func (Keeper) SetLogSizeTransient 

func (k Keeper) SetLogSizeTransient(ctx sdk.Context, logSize uint64)

SetLogSizeTransient fetches the current EVM log index from the transient store, increases its value by one and then sets the new index back to the transient store.

func (*Keeper) SetMsgServiceRouter added in v0.12.0 

func (k *Keeper) SetMsgServiceRouter(msgServiceRouter *baseapp.MsgServiceRouter)

func (*Keeper) SetParamSpace added in v0.12.0 

func (k *Keeper) SetParamSpace(paramSpace paramtypes.Subspace)

LEGACY BUT REQUIRED

func (Keeper) SetParams 

func (k Keeper) SetParams(ctx sdk.Context, params types.Params) error

SetParams sets the params on the store

func (*Keeper) SetState 

func (k *Keeper) SetState(ctx sdk.Context, addr common.Address, key common.Hash, value []byte)

SetState update contract storage, delete if value is empty.

func (*Keeper) SetTracer added in v0.12.0 

func (k *Keeper) SetTracer(tracer string)

func (Keeper) SetTransientGasUsed 

func (k Keeper) SetTransientGasUsed(ctx sdk.Context, gasUsed uint64)

SetTransientGasUsed sets the gas used by current cosmos tx.

func (*Keeper) SetTransientKey added in v0.12.0 

func (k *Keeper) SetTransientKey(transientKey storetypes.StoreKey)

func (Keeper) SetTxIndexTransient 

func (k Keeper) SetTxIndexTransient(ctx sdk.Context, index uint64)

SetTxIndexTransient set the index of processing transaction

func (Keeper) Storage 

func (k Keeper) Storage(c context.Context, req *types.QueryStorageRequest) (*types.QueryStorageResponse, error)

Storage implements the Query/Storage gRPC method

func (Keeper) TraceBlock 

func (k Keeper) TraceBlock(c context.Context, req *types.QueryTraceBlockRequest) (*types.QueryTraceBlockResponse, error)

TraceBlock configures a new tracer according to the provided configuration, and executes the given message in the provided environment for all the transactions in the queried block. The return value will be tracer dependent.

func (Keeper) TraceTx 

func (k Keeper) TraceTx(c context.Context, req *types.QueryTraceTxRequest) (*types.QueryTraceTxResponse, error)

TraceTx configures a new tracer according to the provided configuration, and executes the given message in the provided environment. The return value will be tracer dependent.

func (Keeper) Tracer 

func (k Keeper) Tracer(ctx sdk.Context, msg core.Message, ethCfg *params.ChainConfig) vm.EVMLogger

Tracer return a default vm.Tracer based on current keeper state

func (*Keeper) TxConfig 

func (k *Keeper) TxConfig(ctx sdk.Context, txHash common.Hash) statedb.TxConfig

TxConfig loads `TxConfig` from current transient storage

func (*Keeper) UpdateImplmentationProposal added in v0.12.0 

func (k *Keeper) UpdateImplmentationProposal(goCtx context.Context, msg *types.MsgUpdateImplmentationProposal) (*types.MsgUpdateImplmentationProposalResponse, error)

UpdateImplmentationProposal update proxy with new implementation for counsil addresses

func (*Keeper) UpdateParams added in v0.12.0 

func (k *Keeper) UpdateParams(goCtx context.Context, msg *types.MsgUpdateParams) (*types.MsgUpdateParamsResponse, error)

UpdateParams updates the module parameters

func (Keeper) VMConfig 

func (k Keeper) VMConfig(ctx sdk.Context, cfg *types.EVMConfig, tracer vm.EVMLogger) vm.Config

VMConfig creates an EVM configuration from the debug setting and the extra EIPs enabled on the module parameters. The config generated uses the default JumpTable from the EVM.

func (Keeper) ValidatorAccount 

func (k Keeper) ValidatorAccount(c context.Context, req *types.QueryValidatorAccountRequest) (*types.QueryValidatorAccountResponse, error)

type MigratableContract added in v0.12.0 

type MigratableContract struct {
	Address common.Address
	Bin     string
	Init    string
}

type Migrator 

type Migrator struct {
	// contains filtered or unexported fields
}

Migrator is a struct for handling in-place store migrations.

func NewMigrator 

func NewMigrator(keeper Keeper, legacySubspace types.ParamsSubspace) Migrator

NewMigrator returns a new Migrator.

func (Migrator) Migrate1to2 added in v0.12.0 

func (m Migrator) Migrate1to2(ctx sdk.Context) error

Migrate1to2 migrates from version 1 to 2.

type MultiEvmHooks 

type MultiEvmHooks []types.EvmHooks

MultiEvmHooks combine multiple evm hooks, all hook functions are run in array sequence

func NewMultiEvmHooks 

func NewMultiEvmHooks(hooks ...types.EvmHooks) MultiEvmHooks

NewMultiEvmHooks combine multiple evm hooks

func (MultiEvmHooks) PostTxProcessing 

func (mh MultiEvmHooks) PostTxProcessing(ctx sdk.Context, msg core.Message, receipt *ethtypes.Receipt) error

PostTxProcessing delegate the call to underlying hooks

type ProposalCounsil added in v0.12.0 

type ProposalCounsil struct {
	// contains filtered or unexported fields
}

func NewProposalCounsil added in v0.12.0 

func NewProposalCounsil(k *Keeper, ctx sdk.Context) (*ProposalCounsil, error)

func (*ProposalCounsil) Migrate1to2 added in v0.12.0 

func (pc *ProposalCounsil) Migrate1to2() error

Migrate1to2 for initialize contract on v0.12

func (*ProposalCounsil) UpdateProxyImplementation added in v0.12.0 

func (pc *ProposalCounsil) UpdateProxyImplementation(p *types.UpdateImplmentationProposal) error

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