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packages/crypt/vault/_archive/src/ethereum/transaction.rs

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+//! Ethereum transaction functionality.
+
+use ethers::prelude::*;
+
+use super::networks::NetworkConfig;
+use super::wallet::EthereumWallet;
+use crate::error::CryptoError;
+
+/// Formats a token balance for display.
+pub fn format_balance(balance: U256, network: &NetworkConfig) -> String {
+    let wei = balance.as_u128();
+    let divisor = 10u128.pow(network.decimals as u32) as f64;
+    let token = wei as f64 / divisor;
+
+    // Display with the appropriate number of decimal places
+    let display_decimals = std::cmp::min(6, network.decimals);
+
+    format!(
+        "{:.*} {}",
+        display_decimals as usize, token, network.token_symbol
+    )
+}
+
+/// Gets the balance of an Ethereum address.
+pub async fn get_balance(provider: &Provider<Http>, address: Address) -> Result<U256, CryptoError> {
+    provider
+        .get_balance(address, None)
+        .await
+        .map_err(|e| CryptoError::SerializationError(format!("Failed to get balance: {}", e)))
+}
+
+/// Sends Ethereum from one address to another.
+pub async fn send_eth(
+    wallet: &EthereumWallet,
+    provider: &Provider<Http>,
+    to: Address,
+    amount: U256,
+) -> Result<H256, CryptoError> {
+    // Create a client with the wallet
+    let client = SignerMiddleware::new(provider.clone(), wallet.wallet.clone());
+
+    // Create the transaction
+    let tx = TransactionRequest::new().to(to).value(amount).gas(21000);
+
+    // Send the transaction
+    let pending_tx = client.send_transaction(tx, None).await.map_err(|e| {
+        CryptoError::SerializationError(format!("Failed to send transaction: {}", e))
+    })?;
+
+    // Return the transaction hash instead of waiting for the receipt
+    Ok(pending_tx.tx_hash())
+}