Implement OpenGov Precompiles

Cargo.toml

@@ -17,11 +17,14 @@ members = [
 	"precompiles/batch",
 	"precompiles/call-permit",
 	"precompiles/collective",
+	"precompiles/conviction-voting",
 	"precompiles/crowdloan-rewards",
 	"precompiles/pallet-democracy",
 	"precompiles/parachain-staking",
+	"precompiles/preimage",
 	"precompiles/proxy",
 	"precompiles/randomness",
+	"precompiles/referenda",
 	"precompiles/relay-encoder",
 	"precompiles/utils",
 	"precompiles/utils/macro",

precompiles/conviction-voting/Cargo.toml

@@ -0,0 +1,57 @@
+[package]
+name = "pallet-evm-precompile-conviction-voting"
+authors = [ "PureStake" ]
+description = "A Precompile to make pallet-conviction-voting calls encoding accessible to pallet-evm"
+edition = "2021"
+version = "0.1.0"
+
+[dependencies]
+log = "0.4"
+num_enum = { version = "0.5.3", default-features = false }
+rustc-hex = { version = "2.0.1", default-features = false }
+
+# Moonbeam
+precompile-utils = { path = "../utils", default-features = false }
+
+# Substrate
+frame-support = { git = "https://github.com/purestake/substrate", branch = "moonbeam-polkadot-v0.9.32", default-features = false }
+frame-system = { git = "https://github.com/purestake/substrate", branch = "moonbeam-polkadot-v0.9.32", default-features = false }
+pallet-conviction-voting = { git = "https://github.com/purestake/substrate", branch = "moonbeam-polkadot-v0.9.32", default-features = false }
+parity-scale-codec = { version = "3.0.0", default-features = false, features = [ "derive" ] }
+sp-core = { git = "https://github.com/purestake/substrate", branch = "moonbeam-polkadot-v0.9.32", default-features = false }
+sp-runtime = { git = "https://github.com/purestake/substrate", branch = "moonbeam-polkadot-v0.9.32", default-features = false }
+sp-std = { git = "https://github.com/purestake/substrate", branch = "moonbeam-polkadot-v0.9.32", default-features = false }
+
+# Frontier
+fp-evm = { git = "https://github.com/purestake/frontier", branch = "moonbeam-polkadot-v0.9.32", default-features = false }
+pallet-evm = { git = "https://github.com/purestake/frontier", branch = "moonbeam-polkadot-v0.9.32", default-features = false, features = [ "forbid-evm-reentrancy" ] }
+
+[dev-dependencies]
+derive_more = "0.99"
+hex-literal = "0.3.3"
+serde = "1.0.100"
+sha3 = "0.9"
+
+# Moonbeam
+precompile-utils = { path = "../utils", features = [ "testing" ] }
+
+# Substrate
+pallet-balances = { git = "https://github.com/purestake/substrate", branch = "moonbeam-polkadot-v0.9.32" }
+pallet-timestamp = { git = "https://github.com/purestake/substrate", branch = "moonbeam-polkadot-v0.9.32" }
+scale-info = { version = "2.0", default-features = false, features = [ "derive" ] }
+sp-io = { git = "https://github.com/purestake/substrate", branch = "moonbeam-polkadot-v0.9.32", default-features = false }
+
+[features]
+default = [ "std" ]
+std = [
+	"fp-evm/std",
+	"frame-support/std",
+	"frame-system/std",
+	"pallet-conviction-voting/std",
+	"pallet-evm/std",
+	"parity-scale-codec/std",
+	"parity-scale-codec/std",
+	"precompile-utils/std",
+	"sp-runtime/std",
+	"sp-std/std",
+]

precompiles/conviction-voting/ConvictionVoting.sol

@@ -0,0 +1,97 @@
+// SPDX-License-Identifier: GPL-3.0-only
+pragma solidity >=0.8.3;
+
+/// @dev The Conviction Voting contract's address.
+address constant Conviction_Voting_ADDRESS = 0x0000000000000000000000000000000000000812;
+
+/// @dev The Conviction Voting contract's instance.
+ConvictionVoting constant Conviction_Voting_CONTRACT = ConvictionVoting(
+    Conviction_Voting_ADDRESS
+);
+
+/// @author The Moonbeam Team
+/// @title Pallet Conviction Voting Interface
+/// @title The interface through which solidity contracts will interact with the Conviction Voting pallet
+/// @custom:address 0x0000000000000000000000000000000000000812
+interface ConvictionVoting {
+    /// @dev Defines the conviction multiplier type.
+    /// The values start at `0` and are represented as `uint8`.
+    /// None => 0.1x votes, unlocked.
+    /// Locked1x => 1x votes, locked for an enactment period following a successful vote.
+    /// Locked2x => 2x votes, locked for 2x enactment periods following a successful vote
+    /// Locked3x => 3x votes, locked for 4x...
+    /// Locked4x => 4x votes, locked for 8x...,
+    /// Locked5x => 5x votes, locked for 16x...
+    /// Locked6x => 6x votes, locked for 32x...
+    enum Conviction {
+        None,
+        Locked1x,
+        Locked2x,
+        Locked3x,
+        Locked4x,
+        Locked5x,
+        Locked6x
+    }
+
+    /// @dev Vote yes in a poll.
+    /// @custom:selector da9df518
+    /// @param pollIndex Index of poll
+    /// @param voteAmount Balance locked for vote
+    /// @param conviction Conviction multiplier for length of vote lock
+    function voteYes(
+        uint32 pollIndex,
+        uint256 voteAmount,
+        Conviction conviction
+    ) external;
+
+    /// @dev Vote no in a poll.
+    /// @custom:selector cc600eba
+    /// @param pollIndex Index of poll
+    /// @param voteAmount Balance locked for vote
+    /// @param conviction Conviction multiplier for length of vote lock
+    function voteNo(
+        uint32 pollIndex,
+        uint256 voteAmount,
+        Conviction conviction
+    ) external;
+
+    /// @dev Remove vote in poll
+    /// @custom:selector 79cae220
+    /// @param pollIndex Index of the poll
+    function removeVote(uint32 pollIndex) external;
+
+    /// @dev Remove vote in poll for other voter
+    /// @custom:selector cbcb9276
+    //// @param target The voter to have vote removed. The removed vote must already be expired.
+    /// @param trackId The trackId
+    /// @param pollIndex the poll index
+    function removeOtherVote(
+        address target,
+        uint16 trackId,
+        uint32 pollIndex
+    ) external;
+
+    /// @dev Delegate to a representative for the vote trackId
+    /// @custom:selector 681750e8
+    /// @param trackId The trackId
+    /// @param representative The representative for the trackId
+    /// @param conviction The conviction multiplier
+    /// @param amount delegated to representative for this vote trackId
+    function delegate(
+        uint16 trackId,
+        address representative,
+        Conviction conviction,
+        uint256 amount
+    ) external;
+
+    /// @dev Undelegate for the trackId
+    /// @custom:selector 98be4094
+    /// @param trackId The trackId
+    function undelegate(uint16 trackId) external;
+
+    /// @dev Unlock tokens locked for trackId
+    /// @custom:selector 4259d98c
+    /// @param trackId The trackId
+    /// @param target The target address
+    function unlock(uint16 trackId, address target) external;
+}