fix(bdk): remove rand dependency

example-crates/wallet_esplora_blocking/Cargo.toml

@@ -11,3 +11,4 @@ bdk_wallet = { path = "../../crates/wallet" }
 bdk_esplora = { path = "../../crates/esplora", features = ["blocking"] }
 bdk_file_store = { path = "../../crates/file_store" }
 anyhow = "1"
+rand = "0.8.0"

example-crates/wallet_esplora_blocking/src/main.rs

@@ -11,6 +11,7 @@ use bdk_wallet::{
     bitcoin::{Address, Amount, Network},
     KeychainKind, SignOptions, Wallet,
 };
+use rand::thread_rng;
 
 fn main() -> Result<(), anyhow::Error> {
     let db_path = std::env::temp_dir().join("bdk-esplora-example");
@@ -80,7 +81,7 @@ fn main() -> Result<(), anyhow::Error> {
         .add_recipient(faucet_address.script_pubkey(), SEND_AMOUNT)
         .enable_rbf();
 
-    let mut psbt = tx_builder.finish()?;
+    let mut psbt = tx_builder.finish_with_aux_rand(&mut thread_rng())?;
     let finalized = wallet.sign(&mut psbt, SignOptions::default())?;
     assert!(finalized);