Make initial balance a constant

crates/node/src/constants.rs

@@ -0,0 +1,5 @@
+/// This constant defines how much Wei accounts are pre-seeded with in genesis.
+///
+/// We use [`u128::MAX`] here which means that accounts will be given 2^128 - 1 WEI which is
+/// (2^128 - 1) / 10^18 ETH.
+pub const INITIAL_BALANCE: u128 = u128::MAX;

crates/node/src/geth.rs

@@ -29,7 +29,7 @@ use revive_dt_config::Arguments;
 use revive_dt_node_interaction::{BlockingExecutor, EthereumNode};
 use tracing::Level;
 
-use crate::{Node, common::FallbackGasFiller};
+use crate::{Node, common::FallbackGasFiller, constants::INITIAL_BALANCE};
 
 static NODE_COUNT: AtomicU32 = AtomicU32::new(0);
 
@@ -84,10 +84,10 @@ impl Instance {
         for signer_address in
             <EthereumWallet as NetworkWallet<Ethereum>>::signer_addresses(&self.wallet)
         {
-            genesis.alloc.entry(signer_address).or_insert(
-                GenesisAccount::default()
-                    .with_balance(10000000000000000000000u128.try_into().unwrap()),
-            );
+            genesis
+                .alloc
+                .entry(signer_address)
+                .or_insert(GenesisAccount::default().with_balance(U256::from(INITIAL_BALANCE)));
         }
         let genesis_path = self.base_directory.join(Self::GENESIS_JSON_FILE);
         serde_json::to_writer(File::create(&genesis_path)?, &genesis)?;

crates/node/src/kitchensink.rs

@@ -39,7 +39,7 @@ use tracing::Level;
 use revive_dt_config::Arguments;
 use revive_dt_node_interaction::{BlockingExecutor, EthereumNode};
 
-use crate::{Node, common::FallbackGasFiller};
+use crate::{Node, common::FallbackGasFiller, constants::INITIAL_BALANCE};
 
 static NODE_COUNT: AtomicU32 = AtomicU32::new(0);
 
@@ -131,10 +131,10 @@ impl KitchensinkNode {
             for signer_address in
                 <EthereumWallet as NetworkWallet<Ethereum>>::signer_addresses(&self.wallet)
             {
-                genesis.alloc.entry(signer_address).or_insert(
-                    GenesisAccount::default()
-                        .with_balance(10000000000000000000000u128.try_into().unwrap()),
-                );
+                genesis
+                    .alloc
+                    .entry(signer_address)
+                    .or_insert(GenesisAccount::default().with_balance(U256::from(INITIAL_BALANCE)));
             }
             self.extract_balance_from_genesis_file(&genesis)?
         };

crates/node/src/lib.rs

@@ -4,6 +4,7 @@ use revive_dt_config::Arguments;
 use revive_dt_node_interaction::EthereumNode;
 
 pub mod common;
+pub mod constants;
 pub mod geth;
 pub mod kitchensink;
 pub mod pool;