Master (#1262)

* clear

* feat: Add everything

* fix: Commenht

app/precompiles.go

@@ -0,0 +1,127 @@
+// Package app provides EVM precompiled contracts configuration for the Sonr blockchain.
+package app
+
+import (
+	"fmt"
+	"maps"
+
+	evidencekeeper "cosmossdk.io/x/evidence/keeper"
+	authzkeeper "github.com/cosmos/cosmos-sdk/x/authz/keeper"
+	bankkeeper "github.com/cosmos/cosmos-sdk/x/bank/keeper"
+	distributionkeeper "github.com/cosmos/cosmos-sdk/x/distribution/keeper"
+	govkeeper "github.com/cosmos/cosmos-sdk/x/gov/keeper"
+	slashingkeeper "github.com/cosmos/cosmos-sdk/x/slashing/keeper"
+	stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
+	bankprecompile "github.com/cosmos/evm/precompiles/bank"
+	"github.com/cosmos/evm/precompiles/bech32"
+	distprecompile "github.com/cosmos/evm/precompiles/distribution"
+	evidenceprecompile "github.com/cosmos/evm/precompiles/evidence"
+	govprecompile "github.com/cosmos/evm/precompiles/gov"
+	ics20precompile "github.com/cosmos/evm/precompiles/ics20"
+	"github.com/cosmos/evm/precompiles/p256"
+	slashingprecompile "github.com/cosmos/evm/precompiles/slashing"
+	stakingprecompile "github.com/cosmos/evm/precompiles/staking"
+	erc20Keeper "github.com/cosmos/evm/x/erc20/keeper"
+	transferkeeper "github.com/cosmos/evm/x/ibc/transfer/keeper"
+	"github.com/cosmos/evm/x/vm/core/vm"
+	evmkeeper "github.com/cosmos/evm/x/vm/keeper"
+	channelkeeper "github.com/cosmos/ibc-go/v8/modules/core/04-channel/keeper"
+	"github.com/ethereum/go-ethereum/common"
+)
+
+// bech32PrecompileBaseGas defines the base gas cost for bech32 address conversion operations.
+const bech32PrecompileBaseGas = 6_000
+
+// NewAvailableStaticPrecompiles returns the list of all available static precompiled contracts from EVM.
+// These precompiles provide native Cosmos SDK functionality accessible from EVM contracts,
+// including staking, distribution, governance, bank transfers, IBC transfers, and more.
+//
+// The function initializes both stateless precompiles (bech32, p256) and stateful precompiles
+// that interact with Cosmos SDK modules.
+//
+// NOTE: this should only be used during initialization of the Keeper.
+func NewAvailableStaticPrecompiles(
+	stakingKeeper stakingkeeper.Keeper,
+	distributionKeeper distributionkeeper.Keeper,
+	bankKeeper bankkeeper.Keeper,
+	erc20Keeper erc20Keeper.Keeper,
+	authzKeeper authzkeeper.Keeper,
+	transferKeeper transferkeeper.Keeper,
+	channelKeeper channelkeeper.Keeper,
+	evmKeeper *evmkeeper.Keeper,
+	govKeeper govkeeper.Keeper,
+	slashingKeeper slashingkeeper.Keeper,
+	evidenceKeeper evidencekeeper.Keeper,
+) map[common.Address]vm.PrecompiledContract {
+	// Clone the mapping from the latest EVM fork.
+	precompiles := maps.Clone(vm.PrecompiledContractsBerlin)
+
+	// secp256r1 precompile as per EIP-7212
+	p256Precompile := &p256.Precompile{}
+
+	bech32Precompile, err := bech32.NewPrecompile(bech32PrecompileBaseGas)
+	if err != nil {
+		panic(fmt.Errorf("failed to instantiate bech32 precompile: %w", err))
+	}
+
+	stakingPrecompile, err := stakingprecompile.NewPrecompile(stakingKeeper, authzKeeper)
+	if err != nil {
+		panic(fmt.Errorf("failed to instantiate staking precompile: %w", err))
+	}
+
+	distributionPrecompile, err := distprecompile.NewPrecompile(
+		distributionKeeper,
+		stakingKeeper,
+		authzKeeper,
+		evmKeeper,
+	)
+	if err != nil {
+		panic(fmt.Errorf("failed to instantiate distribution precompile: %w", err))
+	}
+
+	ibcTransferPrecompile, err := ics20precompile.NewPrecompile(
+		stakingKeeper,
+		transferKeeper,
+		channelKeeper,
+		authzKeeper,
+		evmKeeper,
+	)
+	if err != nil {
+		panic(fmt.Errorf("failed to instantiate ICS20 precompile: %w", err))
+	}
+
+	bankPrecompile, err := bankprecompile.NewPrecompile(bankKeeper, erc20Keeper)
+	if err != nil {
+		panic(fmt.Errorf("failed to instantiate bank precompile: %w", err))
+	}
+
+	govPrecompile, err := govprecompile.NewPrecompile(govKeeper, authzKeeper)
+	if err != nil {
+		panic(fmt.Errorf("failed to instantiate gov precompile: %w", err))
+	}
+
+	slashingPrecompile, err := slashingprecompile.NewPrecompile(slashingKeeper, authzKeeper)
+	if err != nil {
+		panic(fmt.Errorf("failed to instantiate slashing precompile: %w", err))
+	}
+
+	evidencePrecompile, err := evidenceprecompile.NewPrecompile(evidenceKeeper, authzKeeper)
+	if err != nil {
+		panic(fmt.Errorf("failed to instantiate evidence precompile: %w", err))
+	}
+
+	// Stateless precompiles
+	precompiles[bech32Precompile.Address()] = bech32Precompile
+	precompiles[p256Precompile.Address()] = p256Precompile
+
+	// Stateful precompiles
+	precompiles[stakingPrecompile.Address()] = stakingPrecompile
+	precompiles[distributionPrecompile.Address()] = distributionPrecompile
+	precompiles[ibcTransferPrecompile.Address()] = ibcTransferPrecompile
+	precompiles[bankPrecompile.Address()] = bankPrecompile
+	precompiles[govPrecompile.Address()] = govPrecompile
+	precompiles[slashingPrecompile.Address()] = slashingPrecompile
+	precompiles[evidencePrecompile.Address()] = evidencePrecompile
+
+	return precompiles
+}