parser: rm multisig db

parser/src/utils/mod.rs

@@ -2,7 +2,6 @@ mod consts;
 mod flamegraph;
 mod log;
 mod lossy;
-mod multisig;
 mod percentile;
 mod retry;
 mod rpc;
@@ -12,7 +11,6 @@ pub use consts::*;
 pub use flamegraph::*;
 pub use log::*;
 pub use lossy::*;
-pub use multisig::*;
 pub use percentile::*;
 pub use retry::*;
 pub use rpc::*;

parser/src/utils/multisig.rs

@@ -1,57 +0,0 @@
-//
-// Code from bitcoin-explorer now deprecated
-//
-
-use biter::bitcoin::{
-    blockdata::{
-        opcodes::all,
-        script::Instruction::{self, Op, PushBytes},
-    },
-    Opcode, Script,
-};
-
-///
-/// Obtain addresses for multisig transactions.
-///
-pub fn multisig_addresses(script: &Script) -> Vec<Vec<u8>> {
-    let ops: Vec<Instruction> = script.instructions().filter_map(|o| o.ok()).collect();
-
-    // obtain number of keys
-    let num_keys = {
-        if let Some(Op(op)) = ops.get(ops.len() - 2) {
-            decode_from_op_n(op)
-        } else {
-            unreachable!()
-        }
-    };
-
-    // read public keys
-    let mut public_keys = Vec::with_capacity(num_keys as usize);
-
-    for op in ops.iter().skip(1).take(num_keys as usize) {
-        if let PushBytes(data) = op {
-            public_keys.push(data.as_bytes().to_vec());
-        } else {
-            unreachable!()
-        }
-    }
-
-    public_keys
-}
-
-///
-/// Decode OP_N
-///
-/// translated from BitcoinJ:
-/// [decodeFromOpN()](https://github.com/bitcoinj/bitcoinj/blob/d3d5edbcbdb91b25de4df3b6ed6740d7e2329efc/core/src/main/java/org/bitcoinj/script/Script.java#L515:L524)
-///
-#[inline]
-fn decode_from_op_n(op: &Opcode) -> i32 {
-    if op.eq(&all::OP_PUSHBYTES_0) {
-        0
-    } else if op.eq(&all::OP_PUSHNUM_NEG1) {
-        -1
-    } else {
-        op.to_u8() as i32 + 1 - all::OP_PUSHNUM_1.to_u8() as i32
-    }
-}