Add implicit_account to operators

src/passes/operators/operators.ml

@@ -73,6 +73,7 @@ module Simplify = struct
       ("unit" , "UNIT") ;
       ("source" , "SOURCE") ;
       ("sender" , "SENDER") ;
+      ("implicit_account", "IMPLICIT_ACCOUNT") ;
       ("failwith" , "FAILWITH") ;
       ("bitwise_or" , "OR") ;
       ("bitwise_and" , "AND") ;
@@ -136,6 +137,7 @@ module Simplify = struct
       ("gas", "STEPS_TO_QUOTA") ;
       ("Current.sender" , "SENDER") ;
       ("sender", "SENDER") ;
+      ("Current.implicit_account", "IMPLICIT_ACCOUNT") ;
       ("Current.source" , "SOURCE") ;
       ("source", "SOURCE") ;
       ("Current.failwith", "FAILWITH") ;
@@ -466,6 +468,10 @@ module Typer = struct
     let%bind () = assert_t_contract contract in
     ok @@ t_address ()
 
+  let implicit_account = typer_1 "IMPLICIT_ACCOUNT" @@ fun key_hash ->
+    let%bind () = assert_t_key_hash key_hash in
+    ok @@ t_contract (t_unit () ) ()
+
   let now = constant "NOW" @@ t_timestamp ()
 
   let transaction = typer_3 "CALL" @@ fun param amount contract ->
@@ -794,6 +800,7 @@ module Typer = struct
       now ;
       slice ;
       address ;
+      implicit_account ; 
       assertion ;
       list_cons ;
     ]
@@ -865,6 +872,7 @@ module Compiler = struct
     ("BALANCE" , simple_constant @@ prim I_BALANCE) ;
     ("AMOUNT" , simple_constant @@ prim I_AMOUNT) ;
     ("ADDRESS" , simple_unary @@ prim I_ADDRESS) ;
+    ("IMPLICIT_CONTRACT", simple_unary @@ prim I_IMPLICIT_ACCOUNT) ;
     ("NOW" , simple_constant @@ prim I_NOW) ;
     ("CALL" , simple_ternary @@ prim I_TRANSFER_TOKENS) ;
     ("SOURCE" , simple_constant @@ prim I_SOURCE) ;

src/test/contracts/implicit_account.ligo

@@ -0,0 +1 @@
+function main (const kh: key_hash) : contract(unit) is implicit_account(kh)

src/test/contracts/implicit_account.mligo

@@ -0,0 +1 @@
+let main (kh: key_hash) : unit contract = Current.implicit_account kh

src/test/integration_tests.ml

@@ -1233,6 +1233,14 @@ let balance_constant_mligo () : unit result =
   let expected = e_tuple [e_list []; e_mutez 4000000000000] in
   expect_eq program "main" input expected
 
+let implicit_account () : unit result =
+  let%bind _ = type_file "./contracts/implicit_account.ligo" in
+  ok ()
+
+let implicit_account_mligo () : unit result =
+  let%bind _ = mtype_file "./contracts/implicit_account.mligo" in
+  ok ()
+
 let is_nat () : unit result =
   let%bind program = type_file "./contracts/isnat.ligo" in
   let%bind () = 
@@ -1398,6 +1406,8 @@ let main = test_suite "Integration (End to End)" [
     test "let multiple (mligo)" mligo_let_multiple ;
     test "balance constant" balance_constant ;
     test "balance constant (mligo)" balance_constant_mligo ;
+    test "implicit account" implicit_account ;
+    test "implicit account (mligo)" implicit_account_mligo ;
     test "is_nat" is_nat ;
     test "is_not (mligo)" is_nat_mligo ;
     test "simple_access (ligo)" simple_access_ligo;