diff --git a/lib/bcoin/script.js b/lib/bcoin/script.js
index d48e3fe5..60045a01 100644
--- a/lib/bcoin/script.js
+++ b/lib/bcoin/script.js
@@ -55,6 +55,10 @@ Witness.prototype.getInputAddress = function getInputAddress(prev) {
   return Script.getInputAddress(this.items, prev, true);
 };
 
+Witness.prototype.getInputHash = function getInputHash(prev) {
+  return Script.getInputHash(this.items, prev, true);
+};
+
 Witness.prototype.isPubkeyInput = function isPubkeyInput(key) {
   return Script.isPubkeyInput(this.items, key);
 };
@@ -1406,23 +1410,27 @@ Script.prototype.getLocktime = function getLocktime() {
   return { type: 'time', value: locktime };
 };
 
-Script.prototype.getInputAddress = function getInputAddress(prev, isWitness) {
+Script.prototype.getInputAddress = function getInputAddress(prev) {
+  return Script.getInputAddress(this.code, prev, false);
+};
+
+Script.getInputAddress = function getInputAddress(code, prev, isWitness) {
   if (prev)
     return prev.getAddress();
 
-  if (this.isPubkeyInput())
+  if (Script.isPubkeyInput(code))
     return;
 
-  if (this.isPubkeyhashInput()) {
-    return bcoin.address.compileData(this.code[1],
+  if (Script.isPubkeyhashInput(code)) {
+    return bcoin.address.compileData(code[1],
       isWitness ? 'witnesspubkeyhash' : 'pubkeyhash');
   }
 
-  if (this.isMultisigInput(null, isWitness))
+  if (Script.isMultisigInput(code, null, isWitness))
     return;
 
-  if (this.isScripthashInput(null, isWitness)) {
-    return bcoin.address.compileData(this.code[this.code.length - 1],
+  if (Script.isScripthashInput(code, null, isWitness)) {
+    return bcoin.address.compileData(code[code.length - 1],
       isWitness ? 'witnessscripthash' : 'scripthash');
   }
 };
@@ -1452,6 +1460,53 @@ Script.prototype.getAddress = function getAddress() {
     return bcoin.address.compileHash(this.code[1], 'scripthash');
 };
 
+Script.prototype.getInputHash = function getInputHash(prev) {
+  return Script.getInputHash(this.code, prev, false);
+};
+
+Script.getInputHash = function getInputHash(prev, isWitness) {
+  if (prev)
+    return prev.getHash();
+
+  if (Script.isPubkeyInput(code))
+    return;
+
+  if (Script.isPubkeyhashInput(code))
+    return utils.ripesha(code[1]);
+
+  if (Script.isMultisigInput(code, null, isWitness))
+    return;
+
+  if (Script.isScripthashInput(code, null, isWitness)) {
+    return isWitness
+      ? utils.sha256(code[code.length - 1])
+      : utils.ripesha(code[code.length - 1]);
+  }
+};
+
+Script.prototype.getHash = function getHash() {
+  var program;
+
+  if (this.isWitnessProgram()) {
+    program = this.getWitnessProgram();
+    if (!program.type || program.type === 'unknown')
+      return;
+    return program.data;
+  }
+
+  if (this.isPubkey())
+    return utils.ripesha(this.code[0]);
+
+  if (this.isPubkeyhash())
+    return this.code[2];
+
+  if (this.isMultisig())
+    return utils.ripesha(this.encode());
+
+  if (this.isScripthash())
+    return this.code[1];
+};
+
 Script.prototype.isPubkey = function isPubkey(key) {
   var res;