Implement EVM

Cargo.toml

@@ -1,3 +1,33 @@
 [workspace]
 resolver = "2"
 members = ["crates/*"]
+
+[patch."https://github.com/paritytech/substrate"]
+frame-benchmarking = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+frame-support = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+frame-system = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+pallet-balances = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+pallet-timestamp = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sc-block-builder = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sc-client-api = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sc-consensus = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sc-network = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sc-rpc = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sc-service = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sc-transaction-pool = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sc-transaction-pool-api = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sp-api = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sp-block-builder = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sp-blockchain = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sp-consensus = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sp-core = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sp-database = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sp-externalities = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sp-inherents = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sp-io = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sp-runtime = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sp-std = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sp-storage = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sp-timestamp = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sp-transaction-pool = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+substrate-prometheus-endpoint = { git = "https://github.com/humanode-network/substrate", branch = "master" }

crates/frontier-api/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "frontier-api"
+version = "0.1.0"
+edition = "2021"
+publish = false
+
+[dependencies]
+codec = { package = "parity-scale-codec", version = "2", default-features = false }
+pallet-ethereum = { default-features = false, git = "https://github.com/humanode-network/frontier", branch = "substrate-1a30fa2" }
+sp-api = { default-features = false, git = "https://github.com/humanode-network/substrate", branch = "master" }
+sp-std = { default-features = false, git = "https://github.com/humanode-network/substrate", branch = "master" }
+
+[features]
+default = ["std"]
+std = ["codec/std", "sp-api/std", "sp-std/std", "pallet-ethereum/std"]

crates/frontier-api/src/lib.rs

@@ -0,0 +1,14 @@
+//! The runtime API for the frontier related stuff.
+
+#![cfg_attr(not(feature = "std"), no_std)]
+
+use codec::Decode;
+use sp_std::prelude::*;
+
+sp_api::decl_runtime_apis! {
+    /// Runtime API for the transaction converter.
+    pub trait TransactionConverterApi<Extrinsic: Decode> {
+        /// Convert an ethereum transaction to an extrinsic.
+        fn convert_transaction(transaction: pallet_ethereum::Transaction) -> Extrinsic;
+    }
+}

crates/humanode-peer/Cargo.toml

@@ -21,11 +21,18 @@ robonode-client = { version = "0.1", path = "../robonode-client" }
 anyhow = "1"
 async-trait = "0.1"
 codec = { package = "parity-scale-codec", version = "2.0.0" }
+fc-consensus = { default-features = false, git = "https://github.com/humanode-network/frontier", branch = "substrate-1a30fa2" }
+fc-db = { default-features = false, git = "https://github.com/humanode-network/frontier", branch = "substrate-1a30fa2" }
+fc-mapping-sync = { default-features = false, git = "https://github.com/humanode-network/frontier", branch = "substrate-1a30fa2" }
+fc-rpc = { default-features = false, git = "https://github.com/humanode-network/frontier", branch = "substrate-1a30fa2" }
+fc-rpc-core = { default-features = false, git = "https://github.com/humanode-network/frontier", branch = "substrate-1a30fa2" }
 fdlimit = "0.2"
 frame-benchmarking-cli = { git = "https://github.com/humanode-network/substrate", branch = "master" }
 futures = "0.3"
 hex = "0.4.3"
 hex-literal = "0.3"
+pallet-dynamic-fee = { default-features = false, git = "https://github.com/humanode-network/frontier", branch = "substrate-1a30fa2" }
+pallet-evm = { default-features = false, git = "https://github.com/humanode-network/frontier", branch = "substrate-1a30fa2" }
 qr2term = "0.2"
 reqwest = "0.11"
 sc-basic-authorship = { git = "https://github.com/humanode-network/substrate", branch = "master" }
@@ -38,6 +45,7 @@ sc-consensus-aura = { git = "https://github.com/humanode-network/substrate", bra
 sc-executor = { git = "https://github.com/humanode-network/substrate", branch = "master" }
 sc-finality-grandpa = { git = "https://github.com/humanode-network/substrate", branch = "master" }
 sc-network = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sc-rpc = { git = "https://github.com/humanode-network/substrate", branch = "master" }
 sc-service = { git = "https://github.com/humanode-network/substrate", branch = "master" }
 sc-telemetry = { git = "https://github.com/humanode-network/substrate", branch = "master" }
 sc-tracing = { git = "https://github.com/humanode-network/substrate", branch = "master" }
@@ -47,6 +55,7 @@ serde = { version = "1", features = ["derive"] }
 sp-application-crypto = { git = "https://github.com/humanode-network/substrate", branch = "master" }
 sp-consensus = { git = "https://github.com/humanode-network/substrate", branch = "master" }
 sp-consensus-aura = { git = "https://github.com/humanode-network/substrate", branch = "master" }
+sp-core = { git = "https://github.com/humanode-network/substrate", branch = "master" }
 sp-finality-grandpa = { git = "https://github.com/humanode-network/substrate", branch = "master" }
 sp-keystore = { git = "https://github.com/humanode-network/substrate", branch = "master" }
 sp-panic-handler = { git = "https://github.com/humanode-network/substrate", branch = "master" }

crates/humanode-peer/src/chain_spec.rs

@@ -2,19 +2,22 @@
 
 use hex_literal::hex;
 use humanode_runtime::{
-    AccountId, AuraConfig, BalancesConfig, BioauthConfig, GenesisConfig, GrandpaConfig,
-    RobonodePublicKeyWrapper, Signature, SudoConfig, SystemConfig, UnixMilliseconds, WASM_BINARY,
+    AccountId, AuraConfig, BalancesConfig, BioauthConfig, EVMConfig, EthereumConfig, GenesisConfig,
+    GrandpaConfig, RobonodePublicKeyWrapper, Signature, SudoConfig, SystemConfig, UnixMilliseconds,
+    WASM_BINARY,
 };
 use pallet_bioauth::{AuthTicketNonce, Authentication};
 use sc_chain_spec_derive::{ChainSpecExtension, ChainSpecGroup};
 use sc_service::ChainType;
 use serde::{Deserialize, Serialize};
 use sp_consensus_aura::sr25519::AuthorityId as AuraId;
+use sp_core::{H160, U256};
 use sp_finality_grandpa::AuthorityId as GrandpaId;
 use sp_runtime::{
     app_crypto::{sr25519, Pair, Public},
     traits::{IdentifyAccount, Verify},
 };
+use std::{collections::BTreeMap, str::FromStr};
 
 /// The concrete chain spec type we're using for the humanode network.
 pub type ChainSpec = sc_service::GenericChainSpec<humanode_runtime::GenesisConfig, Extensions>;
@@ -211,6 +214,48 @@ fn testnet_genesis(
             consumed_auth_ticket_nonces,
             active_authentications,
         },
+        evm: EVMConfig {
+            accounts: {
+                let mut map = BTreeMap::new();
+                map.insert(
+                    // H160 address of Alice dev account
+                    // Derived from SS58 (42 prefix) address
+                    // SS58: 5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY
+                    // hex: 0xd43593c715fdd31c61141abd04a99fd6822c8558854ccde39a5684e7a56da27d
+                    // Using the full hex key, truncating to the first 20 bytes (the first 40 hex chars)
+                    H160::from_str("d43593c715fdd31c61141abd04a99fd6822c8558")
+                        .expect("internal H160 is valid; qed"),
+                    pallet_evm::GenesisAccount {
+                        balance: U256::from_str("0xffffffffffffffffffffffffffffffff")
+                            .expect("internal U256 is valid; qed"),
+                        code: Default::default(),
+                        nonce: Default::default(),
+                        storage: Default::default(),
+                    },
+                );
+                map.insert(
+                    // H160 address of Gerald dev account
+                    // Public address: 0x6Be02d1d3665660d22FF9624b7BE0551ee1Ac91b
+                    // Private key: 0x99b3c12287537e38c90a9219d4cb074a89a16e9cdb20bf85728ebd97c343e342
+                    // A proper private key should be used to allow testing EVM as Ethereum developer
+                    // For example, use it at Metamask, Remix, Truffle configuration, etc
+                    // We don't have a good converter between Substrate and Ethereum private keys for now.
+                    H160::from_str("6be02d1d3665660d22ff9624b7be0551ee1ac91b")
+                        .expect("internal H160 is valid; qed"),
+                    pallet_evm::GenesisAccount {
+                        balance: U256::from_str("0xffffffffffffffffffffffffffffffff")
+                            .expect("internal U256 is valid; qed"),
+                        code: Default::default(),
+                        nonce: Default::default(),
+                        storage: Default::default(),
+                    },
+                );
+                map
+            },
+        },
+        ethereum: EthereumConfig {},
+        dynamic_fee: Default::default(),
+        base_fee: Default::default(),
     }
 }
 

crates/humanode-peer/src/cli/config.rs

@@ -44,10 +44,18 @@ pub trait CliConfigurationExt: SubstrateCliConfigurationProvider {
             }
         });
 
+        let evm = self.evm_params().map(|params| configuration::Evm {
+            max_past_logs: params.max_past_logs,
+            max_stored_filters: params.max_stored_filters,
+            target_gas_price: params.target_gas_price,
+            fee_history_limit: params.fee_history_limit,
+        });
+
         Ok(Configuration {
             substrate,
             bioauth_flow,
             bioauth_perform_enroll: self.bioauth_perform_enroll(),
+            evm,
         })
     }
 
@@ -60,6 +68,11 @@ pub trait CliConfigurationExt: SubstrateCliConfigurationProvider {
     fn bioauth_perform_enroll(&self) -> bool {
         false
     }
+
+    /// Provide the evm params, if available.
+    fn evm_params(&self) -> Option<&params::EvmParams> {
+        None
+    }
 }
 
 /// Indirect relation to the [`sc_cli::CliConfiguration`] for any type.

crates/humanode-peer/src/cli/params.rs

@@ -31,3 +31,24 @@ pub struct BioauthFlowParams {
     #[structopt(long, value_name = "ROBONODE_URL")]
     pub robonode_url: Option<String>,
 }
+
+/// Shared CLI parameters used to configure evm.
+#[derive(Debug, StructOpt, Clone)]
+pub struct EvmParams {
+    /// Maximum number of logs to keep from the latest block;
+    /// it is not possible to query logs older than this amount from the latest block in the past.
+    #[structopt(long, default_value = "10000")]
+    pub max_past_logs: u32,
+
+    /// Maximum number of stored filters.
+    #[structopt(long, default_value = "500")]
+    pub max_stored_filters: usize,
+
+    /// The dynamic-fee pallet target gas price set by block author.
+    #[structopt(long, default_value = "1")]
+    pub target_gas_price: u64,
+
+    /// Maximum fee history cache size.
+    #[structopt(long, default_value = "2048")]
+    pub fee_history_limit: u64,
+}

crates/humanode-peer/src/cli/run_cmd.rs

@@ -19,6 +19,10 @@ pub struct RunCmd {
     /// Run the bioauth enroll flow before the authentication.
     #[structopt(long = "bioauth-enroll")]
     bioauth_perform_enroll: bool,
+
+    #[allow(missing_docs, clippy::missing_docs_in_private_items)]
+    #[structopt(flatten)]
+    pub evm_params: params::EvmParams,
 }
 
 impl SubstrateCliConfigurationProvider for RunCmd {
@@ -37,4 +41,8 @@ impl CliConfigurationExt for RunCmd {
     fn bioauth_perform_enroll(&self) -> bool {
         self.bioauth_perform_enroll
     }
+
+    fn evm_params(&self) -> Option<&params::EvmParams> {
+        Some(&self.evm_params)
+    }
 }

crates/humanode-peer/src/configuration.rs

@@ -17,6 +17,9 @@ pub struct Configuration {
 
     /// Whether to perform the bioauth enroll before the authentication or not.
     pub bioauth_perform_enroll: bool,
+
+    /// EVM configuration,
+    pub evm: Option<Evm>,
 }
 
 /// Bioauth flow configuration parameters.
@@ -47,3 +50,19 @@ impl BioauthFlow {
         Ok((webapp_url, rpc_url))
     }
 }
+
+/// EVM configuration parameters.
+pub struct Evm {
+    /// Maximum number of blocks to keep the log information available
+    /// for querying via the RPC (from the latest block).
+    pub max_past_logs: u32,
+
+    /// Maximum number of stored filters.
+    pub max_stored_filters: usize,
+
+    /// The dynamic-fee pallet target gas price set by block author.
+    pub target_gas_price: u64,
+
+    /// Maximum fee history cache size.
+    pub fee_history_limit: u64,
+}

crates/humanode-peer/src/service/frontier.rs

@@ -0,0 +1,28 @@
+//! The Frontier related stuff.
+
+use super::Block;
+use sc_cli::SubstrateCli;
+use sc_service::BasePath;
+
+/// Create frontier dir.
+pub fn database_dir(config: &sc_service::Configuration) -> std::path::PathBuf {
+    let config_dir = config
+        .base_path
+        .as_ref()
+        .map(|base_path| base_path.config_dir(config.chain_spec.id()))
+        .unwrap_or_else(|| {
+            BasePath::from_project("", "", &crate::cli::Root::executable_name())
+                .config_dir(config.chain_spec.id())
+        });
+    config_dir.join("frontier").join("db")
+}
+
+/// Construct frontier backend.
+pub fn open_backend(config: &sc_service::Configuration) -> Result<fc_db::Backend<Block>, String> {
+    fc_db::Backend::<Block>::new(&fc_db::DatabaseSettings {
+        source: fc_db::DatabaseSettingsSrc::RocksDb {
+            path: database_dir(config),
+            cache_size: 0,
+        },
+    })
+}