add hash-poseidon alias of poseidon-hash-hack-a-chain (#1356)

docs/en/pact-functions.md

@@ -1816,6 +1816,38 @@ pact> (hash-keccak256 ["T73FllCNJKKgAQ4UCYC4CfucbVXsdRJYkd2YXTdmW9g", "D5vralAgd
 ```
 
 
+### hash-poseidon {#hash-poseidon}
+
+*i* `integer` *→* `integer`
+
+*i* `integer` *j* `integer` *→* `integer`
+
+*i* `integer` *j* `integer` *k* `integer` *→* `integer`
+
+*i* `integer` *j* `integer` *k* `integer` *l* `integer` *→* `integer`
+
+*i* `integer` *j* `integer` *k* `integer` *l* `integer` *m* `integer` *→* `integer`
+
+*i* `integer` *j* `integer` *k* `integer` *l* `integer` *m* `integer` *n* `integer` *→* `integer`
+
+*i* `integer` *j* `integer` *k* `integer` *l* `integer` *m* `integer` *n* `integer` *o* `integer` *→* `integer`
+
+*i* `integer` *j* `integer` *k* `integer` *l* `integer` *m* `integer` *n* `integer` *o* `integer` *p* `integer` *→* `integer`
+
+
+Poseidon Hash Function. This is an alias of 'poseidon-hash-hack-a-chain'.
+```lisp
+pact> (hash-poseidon 1)
+18586133768512220936620570745912940619677854269274689475585506675881198879027
+pact> (hash-poseidon 1 2)
+7853200120776062878684798364095072458815029376092732009249414926327459813530
+pact> (hash-poseidon 1 2 3 4 5 6)
+20400040500897583745843009878988256314335038853985262692600694741116813247201
+pact> (hash-poseidon 1 2 3 4 5 6 7 8)
+18604317144381847857886385684060986177838410221561136253933256952257712543953
+```
+
+
 ### poseidon-hash-hack-a-chain {#poseidon-hash-hack-a-chain}
 
 *i* `integer` *j* `integer` *k* `integer` *l* `integer` *m* `integer` *n* `integer` *o* `integer` *p* `integer` *→* `integer`

golden/gas-model/golden

@@ -114,6 +114,12 @@
             { "balance": 0.0 }
     )
   - 130
+- - |-
+    (poseidon-hash-hack-a-chain 1 2)
+    (poseidon-hash-hack-a-chain 999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888)
+    (hash-poseidon 1 2)
+    (hash-poseidon 999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888)
+  - 1504
 - - (hash longString)
   - 5
 - - (hash medString)
@@ -813,7 +819,9 @@
 - - |-
     (poseidon-hash-hack-a-chain 1 2)
     (poseidon-hash-hack-a-chain 999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888)
-  - 752
+    (hash-poseidon 1 2)
+    (hash-poseidon 999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888)
+  - 1504
 - - (enforce-pact-version "3.0")
   - 1
 - - |-

src/Pact/Gas/Table.hs

@@ -245,6 +245,7 @@ defaultGasTable =
   ,("pairing-check", 1)
 
   ,("poseidon-hash-hack-a-chain", 124)
+  ,("hash-poseidon", 124)
   ,("hyperlane-message-id", 2)
   ,("hyperlane-decode-token-message", 2)
   ,("hash-keccak256",1)

src/Pact/GasModel/GasTests.hs

@@ -224,6 +224,7 @@ allTests = HM.fromList
     , ("scalar-mult", scalarMulTests)
     , ("pairing-check", pairingCheckTests)
     , ("poseidon-hash-hack-a-chain", poseidonHashTests)
+    , ("hash-poseidon", poseidonHashTests)
 
       -- SPI/Hyperlane
     , ("hyperlane-message-id", hyperlaneMessageIdTests)
@@ -2015,6 +2016,8 @@ poseidonHashTests = defGasUnitTest $ PactExpression poseidonHashExprText Nothing
     poseidonHashExprText = [text|
     (poseidon-hash-hack-a-chain 1 2)
     (poseidon-hash-hack-a-chain 999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888)
+    (hash-poseidon 1 2)
+    (hash-poseidon 999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888)
     |]
 
 enforceVerifierTests :: NativeDefName -> GasUnitTests

src/Pact/Interpreter.hs

@@ -282,7 +282,7 @@ pact411Natives :: [Text]
 pact411Natives = ["enforce-verifier", "hyperlane-message-id", "hyperlane-decode-token-message"]
 
 pact412Natives :: [Text]
-pact412Natives = ["hash-keccak256"]
+pact412Natives = ["hash-keccak256", "hash-poseidon"]
 
 initRefStore :: RefStore
 initRefStore = RefStore nativeDefs

src/Pact/Native.hs

@@ -1566,28 +1566,49 @@ base64DecodeWithShimmedErrors i txt = do
 hashDefs :: NativeModule
 hashDefs = ("Hashes",)
   [ poseidonHackAChainDef
+  , poseidonHashAliasDef
   , keccak256Def
   ]
 
 poseidonHackAChainDef :: NativeDef
 poseidonHackAChainDef = defGasRNative
   "poseidon-hash-hack-a-chain"
-  poseidon'
+  poseidonImpl
   (funType tTyInteger [("i", tTyInteger), ("j", tTyInteger), ("k", tTyInteger), ("l", tTyInteger), ("m", tTyInteger), ("n", tTyInteger), ("o", tTyInteger), ("p", tTyInteger)])
-    ["(poseidon-hash-hack-a-chain 1)"
-    ,"(poseidon-hash-hack-a-chain 1 2)"
-    ,"(poseidon-hash-hack-a-chain 1 2 3 4 5 6)"
-    ,"(poseidon-hash-hack-a-chain 1 2 3 4 5 6 7 8)"
-    ]
-    "Poseidon Hash Function. Note: This is a reference version of the Poseidon hash function used by Hack-a-Chain."
-  where
-  poseidon' :: RNativeFun e
-  poseidon' i as
-    | not (null as) && length as <= 8,
-      Just intArgs <- traverse (preview _TLitInteger) as
-      = computeGas' i (GPoseidonHashHackAChain $ length as) $
-        return $ toTerm $ poseidon intArgs
-     | otherwise = argsError i as
+  ["(poseidon-hash-hack-a-chain 1)"
+  ,"(poseidon-hash-hack-a-chain 1 2)"
+  ,"(poseidon-hash-hack-a-chain 1 2 3 4 5 6)"
+  ,"(poseidon-hash-hack-a-chain 1 2 3 4 5 6 7 8)"
+  ]
+  "Poseidon Hash Function. Note: This is a reference version of the Poseidon hash function used by Hack-a-Chain."
+
+poseidonHashAliasDef :: NativeDef
+poseidonHashAliasDef = defGasRNative
+  "hash-poseidon"
+  poseidonImpl
+  ( funType tTyInteger [("i", tTyInteger)]
+   <> funType tTyInteger [("i", tTyInteger), ("j", tTyInteger)]
+   <> funType tTyInteger [("i", tTyInteger), ("j", tTyInteger), ("k", tTyInteger)]
+   <> funType tTyInteger [("i", tTyInteger), ("j", tTyInteger), ("k", tTyInteger), ("l", tTyInteger)]
+   <> funType tTyInteger [("i", tTyInteger), ("j", tTyInteger), ("k", tTyInteger), ("l", tTyInteger), ("m", tTyInteger)]
+   <> funType tTyInteger [("i", tTyInteger), ("j", tTyInteger), ("k", tTyInteger), ("l", tTyInteger), ("m", tTyInteger), ("n", tTyInteger)]
+   <> funType tTyInteger [("i", tTyInteger), ("j", tTyInteger), ("k", tTyInteger), ("l", tTyInteger), ("m", tTyInteger), ("n", tTyInteger), ("o", tTyInteger)]
+   <> funType tTyInteger [("i", tTyInteger), ("j", tTyInteger), ("k", tTyInteger), ("l", tTyInteger), ("m", tTyInteger), ("n", tTyInteger), ("o", tTyInteger), ("p", tTyInteger)]
+  )
+  ["(hash-poseidon 1)"
+  ,"(hash-poseidon 1 2)"
+  ,"(hash-poseidon 1 2 3 4 5 6)"
+  ,"(hash-poseidon 1 2 3 4 5 6 7 8)"
+  ]
+  "Poseidon Hash Function. This is an alias of 'poseidon-hash-hack-a-chain'."
+
+poseidonImpl :: RNativeFun e
+poseidonImpl i as
+  | not (null as) && length as <= 8,
+    Just intArgs <- traverse (preview _TLitInteger) as
+    = computeGas' i (GPoseidonHashHackAChain $ length as) $
+      return $ toTerm $ poseidon intArgs
+  | otherwise = argsError i as
 
 keccak256Def :: NativeDef
 keccak256Def = defGasRNative

tests/pact/poseidon-hash.repl

@@ -8,3 +8,12 @@
 (expect "1 2 3 4 5 6 should equal 20400040500897583745843009878988256314335038853985262692600694741116813247201" 20400040500897583745843009878988256314335038853985262692600694741116813247201 (poseidon-hash-hack-a-chain 1 2 3 4 5 6))
 (expect "1 2 3 4 5 6 7 should equal 12748163991115452309045839028154629052133952896122405799815156419278439301912" 12748163991115452309045839028154629052133952896122405799815156419278439301912 (poseidon-hash-hack-a-chain 1 2 3 4 5 6 7))
 (expect "1 2 3 4 5 6 7 8 should equal 18604317144381847857886385684060986177838410221561136253933256952257712543953" 18604317144381847857886385684060986177838410221561136253933256952257712543953 (poseidon-hash-hack-a-chain 1 2 3 4 5 6 7 8))
+;; Alias
+(expect "1 should equal 18586133768512220936620570745912940619677854269274689475585506675881198879027" 18586133768512220936620570745912940619677854269274689475585506675881198879027 (hash-poseidon 1))
+(expect "1 2 should equal 7853200120776062878684798364095072458815029376092732009249414926327459813530" 7853200120776062878684798364095072458815029376092732009249414926327459813530 (hash-poseidon 1 2))
+(expect "1 2 3 should equal 6542985608222806190361240322586112750744169038454362455181422643027100751666" 6542985608222806190361240322586112750744169038454362455181422643027100751666 (hash-poseidon 1 2 3))
+(expect "1 2 3 4 should equal 18821383157269793795438455681495246036402687001665670618754263018637548127333" 18821383157269793795438455681495246036402687001665670618754263018637548127333 (hash-poseidon 1 2 3 4))
+(expect "1 2 3 4 5 should equal 6183221330272524995739186171720101788151706631170188140075976616310159254464" 6183221330272524995739186171720101788151706631170188140075976616310159254464 (hash-poseidon 1 2 3 4 5))
+(expect "1 2 3 4 5 6 should equal 20400040500897583745843009878988256314335038853985262692600694741116813247201" 20400040500897583745843009878988256314335038853985262692600694741116813247201 (hash-poseidon 1 2 3 4 5 6))
+(expect "1 2 3 4 5 6 7 should equal 12748163991115452309045839028154629052133952896122405799815156419278439301912" 12748163991115452309045839028154629052133952896122405799815156419278439301912 (hash-poseidon 1 2 3 4 5 6 7))
+(expect "1 2 3 4 5 6 7 8 should equal 18604317144381847857886385684060986177838410221561136253933256952257712543953" 18604317144381847857886385684060986177838410221561136253933256952257712543953 (hash-poseidon 1 2 3 4 5 6 7 8))