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	feat: wrapped-a0gi-base precompile
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				@ -20,7 +20,7 @@ interface IWrappedA0GIBase {
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    /**
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     * @dev get the wA0GI address.
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     */
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    function getWA0GI() external returns (address);
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    function getWA0GI() external view returns (address);
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    /**
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     * @dev set the cap for a minter.
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@ -27,7 +27,7 @@
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        "type": "address"
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      }
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    ],
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    "stateMutability": "nonpayable",
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    "stateMutability": "view",
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    "type": "function"
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  },
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  {
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@ -30,7 +30,7 @@ var (
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// Wrappeda0gibaseMetaData contains all meta data concerning the Wrappeda0gibase contract.
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var Wrappeda0gibaseMetaData = &bind.MetaData{
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	ABI: "[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"minter\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"burn\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"getWA0GI\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"minter\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"mint\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"minter\",\"type\":\"address\"}],\"name\":\"minterSupply\",\"outputs\":[{\"components\":[{\"internalType\":\"uint256\",\"name\":\"cap\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"total\",\"type\":\"uint256\"}],\"internalType\":\"structSupply\",\"name\":\"\",\"type\":\"tuple\"}],\"stateMutability\":\"view\",\"type\":\"function\"}]",
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	ABI: "[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"minter\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"burn\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"getWA0GI\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"minter\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"mint\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"minter\",\"type\":\"address\"}],\"name\":\"minterSupply\",\"outputs\":[{\"components\":[{\"internalType\":\"uint256\",\"name\":\"cap\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"total\",\"type\":\"uint256\"}],\"internalType\":\"structSupply\",\"name\":\"\",\"type\":\"tuple\"}],\"stateMutability\":\"view\",\"type\":\"function\"}]",
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}
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// Wrappeda0gibaseABI is the input ABI used to generate the binding from.
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@ -179,6 +179,37 @@ func (_Wrappeda0gibase *Wrappeda0gibaseTransactorRaw) Transact(opts *bind.Transa
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	return _Wrappeda0gibase.Contract.contract.Transact(opts, method, params...)
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}
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// GetWA0GI is a free data retrieval call binding the contract method 0xa9283a7a.
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//
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// Solidity: function getWA0GI() view returns(address)
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func (_Wrappeda0gibase *Wrappeda0gibaseCaller) GetWA0GI(opts *bind.CallOpts) (common.Address, error) {
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	var out []interface{}
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	err := _Wrappeda0gibase.contract.Call(opts, &out, "getWA0GI")
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	if err != nil {
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		return *new(common.Address), err
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	}
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	out0 := *abi.ConvertType(out[0], new(common.Address)).(*common.Address)
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	return out0, err
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}
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// GetWA0GI is a free data retrieval call binding the contract method 0xa9283a7a.
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//
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// Solidity: function getWA0GI() view returns(address)
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func (_Wrappeda0gibase *Wrappeda0gibaseSession) GetWA0GI() (common.Address, error) {
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	return _Wrappeda0gibase.Contract.GetWA0GI(&_Wrappeda0gibase.CallOpts)
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}
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// GetWA0GI is a free data retrieval call binding the contract method 0xa9283a7a.
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//
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// Solidity: function getWA0GI() view returns(address)
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func (_Wrappeda0gibase *Wrappeda0gibaseCallerSession) GetWA0GI() (common.Address, error) {
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	return _Wrappeda0gibase.Contract.GetWA0GI(&_Wrappeda0gibase.CallOpts)
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}
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// MinterSupply is a free data retrieval call binding the contract method 0x95609212.
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//
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// Solidity: function minterSupply(address minter) view returns((uint256,uint256))
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@ -231,27 +262,6 @@ func (_Wrappeda0gibase *Wrappeda0gibaseTransactorSession) Burn(minter common.Add
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	return _Wrappeda0gibase.Contract.Burn(&_Wrappeda0gibase.TransactOpts, minter, amount)
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}
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// GetWA0GI is a paid mutator transaction binding the contract method 0xa9283a7a.
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//
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// Solidity: function getWA0GI() returns(address)
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func (_Wrappeda0gibase *Wrappeda0gibaseTransactor) GetWA0GI(opts *bind.TransactOpts) (*types.Transaction, error) {
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	return _Wrappeda0gibase.contract.Transact(opts, "getWA0GI")
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}
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// GetWA0GI is a paid mutator transaction binding the contract method 0xa9283a7a.
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//
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// Solidity: function getWA0GI() returns(address)
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func (_Wrappeda0gibase *Wrappeda0gibaseSession) GetWA0GI() (*types.Transaction, error) {
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	return _Wrappeda0gibase.Contract.GetWA0GI(&_Wrappeda0gibase.TransactOpts)
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}
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// GetWA0GI is a paid mutator transaction binding the contract method 0xa9283a7a.
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//
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// Solidity: function getWA0GI() returns(address)
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func (_Wrappeda0gibase *Wrappeda0gibaseTransactorSession) GetWA0GI() (*types.Transaction, error) {
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	return _Wrappeda0gibase.Contract.GetWA0GI(&_Wrappeda0gibase.TransactOpts)
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}
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// Mint is a paid mutator transaction binding the contract method 0x40c10f19.
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//
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// Solidity: function mint(address minter, uint256 amount) returns()
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										5
									
								
								precompiles/wrapped-a0gi-base/errors.go
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										5
									
								
								precompiles/wrapped-a0gi-base/errors.go
									
									
									
									
									
										Normal file
									
								
							@ -0,0 +1,5 @@
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package wrappeda0gibase
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const (
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	ErrSenderNotWA0GI = "sender is not WA0GI"
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)
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										38
									
								
								precompiles/wrapped-a0gi-base/query.go
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										38
									
								
								precompiles/wrapped-a0gi-base/query.go
									
									
									
									
									
										Normal file
									
								
							@ -0,0 +1,38 @@
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package wrappeda0gibase
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import (
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	"math/big"
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	sdk "github.com/cosmos/cosmos-sdk/types"
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	"github.com/ethereum/go-ethereum/accounts/abi"
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	"github.com/ethereum/go-ethereum/common"
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	"github.com/ethereum/go-ethereum/core/vm"
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)
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func (w *WrappedA0giBasePrecompile) GetW0GI(ctx sdk.Context, _ *vm.EVM, method *abi.Method, args []interface{}) ([]byte, error) {
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	req, err := NewGetW0GIRequest(args)
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	if err != nil {
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		return nil, err
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	}
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	response, err := w.wrappeda0gibaseKeeper.GetWA0GI(ctx, req)
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	if err != nil {
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		return nil, err
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	}
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	return method.Outputs.Pack(common.BytesToAddress(response.Address))
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}
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func (w *WrappedA0giBasePrecompile) MinterSupply(ctx sdk.Context, _ *vm.EVM, method *abi.Method, args []interface{}) ([]byte, error) {
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	req, err := NewMinterSupplyRequest(args)
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	if err != nil {
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		return nil, err
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	}
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	response, err := w.wrappeda0gibaseKeeper.MinterSupply(ctx, req)
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	if err != nil {
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		return nil, err
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	}
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	supply := Supply{
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		Cap:   new(big.Int).SetBytes(response.Cap),
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		Total: new(big.Int).SetBytes(response.Supply),
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	}
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	return method.Outputs.Pack(supply)
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}
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										62
									
								
								precompiles/wrapped-a0gi-base/tx.go
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										62
									
								
								precompiles/wrapped-a0gi-base/tx.go
									
									
									
									
									
										Normal file
									
								
							@ -0,0 +1,62 @@
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package wrappeda0gibase
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import (
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	"errors"
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	"github.com/ethereum/go-ethereum/accounts/abi"
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	"github.com/ethereum/go-ethereum/common"
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	"github.com/ethereum/go-ethereum/core/vm"
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	sdk "github.com/cosmos/cosmos-sdk/types"
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	"github.com/evmos/ethermint/x/evm/statedb"
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)
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func (w *WrappedA0giBasePrecompile) Mint(
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	ctx sdk.Context,
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	evm *vm.EVM,
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	stateDB *statedb.StateDB,
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	contract *vm.Contract,
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	method *abi.Method,
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	args []interface{},
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) ([]byte, error) {
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	msg, err := NewMsgMint(args)
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	if err != nil {
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		return nil, err
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	}
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	// validation
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	wa0gi := common.BytesToAddress(w.wrappeda0gibaseKeeper.GetWA0GIAddress(ctx))
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	if contract.CallerAddress != wa0gi {
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		return nil, errors.New(ErrSenderNotWA0GI)
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	}
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	// execute
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	_, err = w.wrappeda0gibaseKeeper.Mint(sdk.WrapSDKContext(ctx), msg)
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	if err != nil {
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		return nil, err
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	}
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	return method.Outputs.Pack()
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}
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func (w *WrappedA0giBasePrecompile) Burn(
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	ctx sdk.Context,
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	evm *vm.EVM,
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	stateDB *statedb.StateDB,
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	contract *vm.Contract,
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	method *abi.Method,
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	args []interface{},
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) ([]byte, error) {
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	msg, err := NewMsgBurn(args)
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	if err != nil {
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		return nil, err
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	}
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	// validation
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	wa0gi := common.BytesToAddress(w.wrappeda0gibaseKeeper.GetWA0GIAddress(ctx))
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	if contract.CallerAddress != wa0gi {
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		return nil, errors.New(ErrSenderNotWA0GI)
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	}
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	// execute
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	_, err = w.wrappeda0gibaseKeeper.Burn(sdk.WrapSDKContext(ctx), msg)
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	if err != nil {
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		return nil, err
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	}
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	return method.Outputs.Pack()
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}
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@ -1,8 +1,51 @@
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package wrappeda0gibase
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import "math/big"
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import (
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	"fmt"
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	"math/big"
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	precompiles_common "github.com/0glabs/0g-chain/precompiles/common"
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	"github.com/0glabs/0g-chain/x/wrapped-a0gi-base/types"
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	"github.com/ethereum/go-ethereum/common"
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)
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type Supply = struct {
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	Cap   *big.Int "json:\"cap\""
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	Total *big.Int "json:\"total\""
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}
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func NewGetW0GIRequest(args []interface{}) (*types.GetWA0GIRequest, error) {
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	if len(args) != 0 {
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		return nil, fmt.Errorf(precompiles_common.ErrInvalidNumberOfArgs, 0, len(args))
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	}
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	return &types.GetWA0GIRequest{}, nil
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}
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func NewMinterSupplyRequest(args []interface{}) (*types.MinterSupplyRequest, error) {
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	if len(args) != 1 {
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		return nil, fmt.Errorf(precompiles_common.ErrInvalidNumberOfArgs, 1, len(args))
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	}
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	return &types.MinterSupplyRequest{
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		Address: args[0].(common.Address).Bytes(),
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	}, nil
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}
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func NewMsgMint(args []interface{}) (*types.MsgMint, error) {
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	if len(args) != 2 {
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		return nil, fmt.Errorf(precompiles_common.ErrInvalidNumberOfArgs, 1, len(args))
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	}
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	return &types.MsgMint{
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		Minter: args[0].(common.Address).Bytes(),
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		Amount: args[1].(*big.Int).Bytes(),
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	}, nil
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}
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func NewMsgBurn(args []interface{}) (*types.MsgBurn, error) {
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	if len(args) != 2 {
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		return nil, fmt.Errorf(precompiles_common.ErrInvalidNumberOfArgs, 1, len(args))
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	}
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	return &types.MsgBurn{
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		Minter: args[0].(common.Address).Bytes(),
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		Amount: args[1].(*big.Int).Bytes(),
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	}, nil
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}
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@ -5,7 +5,7 @@ import (
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	precompiles_common "github.com/0glabs/0g-chain/precompiles/common"
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	wrappeda0gibasekeeper "github.com/0glabs/0g-chain/x/wrapped-a0gi-base/keeper"
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	"github.com/cosmos/cosmos-sdk/store/types"
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	storetypes "github.com/cosmos/cosmos-sdk/store/types"
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	"github.com/ethereum/go-ethereum/accounts/abi"
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	"github.com/ethereum/go-ethereum/common"
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	"github.com/ethereum/go-ethereum/core/vm"
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@ -13,6 +13,13 @@ import (
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const (
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	PrecompileAddress = "0x0000000000000000000000000000000000001002"
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	// txs
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	WrappedA0GIBaseFunctionMint = "mint"
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	WrappedA0GIBaseFunctionBurn = "burn"
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	// queries
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	WrappedA0GIBaseFunctionGetWA0GI     = "getWA0GI"
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	WrappedA0GIBaseFunctionMinterSupply = "minterSupply"
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)
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var _ vm.PrecompiledContract = &WrappedA0giBasePrecompile{}
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@ -25,17 +32,23 @@ type WrappedA0giBasePrecompile struct {
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// Abi implements common.PrecompileCommon.
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func (w *WrappedA0giBasePrecompile) Abi() *abi.ABI {
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	panic("unimplemented")
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	return &w.abi
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}
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// IsTx implements common.PrecompileCommon.
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func (w *WrappedA0giBasePrecompile) IsTx(string) bool {
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	panic("unimplemented")
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func (w *WrappedA0giBasePrecompile) IsTx(method string) bool {
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	switch method {
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	case WrappedA0GIBaseFunctionMint,
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		WrappedA0GIBaseFunctionBurn:
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		return true
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	default:
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		return false
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	}
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}
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// KVGasConfig implements common.PrecompileCommon.
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func (w *WrappedA0giBasePrecompile) KVGasConfig() types.GasConfig {
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	panic("unimplemented")
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func (w *WrappedA0giBasePrecompile) KVGasConfig() storetypes.GasConfig {
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	return storetypes.KVGasConfig()
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}
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// Address implements vm.PrecompiledContract.
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@ -45,7 +58,7 @@ func (w *WrappedA0giBasePrecompile) Address() common.Address {
 | 
			
		||||
 | 
			
		||||
// RequiredGas implements vm.PrecompiledContract.
 | 
			
		||||
func (w *WrappedA0giBasePrecompile) RequiredGas(input []byte) uint64 {
 | 
			
		||||
	panic("unimplemented")
 | 
			
		||||
	return 0
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
func NewWrappedA0giBasePrecompile(wrappeda0gibaseKeeper wrappeda0gibasekeeper.Keeper) (*WrappedA0giBasePrecompile, error) {
 | 
			
		||||
@ -61,5 +74,33 @@ func NewWrappedA0giBasePrecompile(wrappeda0gibaseKeeper wrappeda0gibasekeeper.Ke
 | 
			
		||||
 | 
			
		||||
// Run implements vm.PrecompiledContract.
 | 
			
		||||
func (w *WrappedA0giBasePrecompile) Run(evm *vm.EVM, contract *vm.Contract, readonly bool) ([]byte, error) {
 | 
			
		||||
	panic("unimplemented")
 | 
			
		||||
	ctx, stateDB, method, initialGas, args, err := precompiles_common.InitializePrecompileCall(w, evm, contract, readonly)
 | 
			
		||||
	if err != nil {
 | 
			
		||||
		return nil, err
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	var bz []byte
 | 
			
		||||
	switch method.Name {
 | 
			
		||||
	// queries
 | 
			
		||||
	case WrappedA0GIBaseFunctionGetWA0GI:
 | 
			
		||||
		bz, err = w.GetW0GI(ctx, evm, method, args)
 | 
			
		||||
	case WrappedA0GIBaseFunctionMinterSupply:
 | 
			
		||||
		bz, err = w.MinterSupply(ctx, evm, method, args)
 | 
			
		||||
	// txs
 | 
			
		||||
	case WrappedA0GIBaseFunctionMint:
 | 
			
		||||
		bz, err = w.Mint(ctx, evm, stateDB, contract, method, args)
 | 
			
		||||
	case WrappedA0GIBaseFunctionBurn:
 | 
			
		||||
		bz, err = w.Burn(ctx, evm, stateDB, contract, method, args)
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	if err != nil {
 | 
			
		||||
		return nil, err
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	cost := ctx.GasMeter().GasConsumed() - initialGas
 | 
			
		||||
 | 
			
		||||
	if !contract.UseGas(cost) {
 | 
			
		||||
		return nil, vm.ErrOutOfGas
 | 
			
		||||
	}
 | 
			
		||||
	return bz, nil
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
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