test: Convert example tests to TestState API (ethereum#968)

Author: chfast

test/unittests/state_transition_call_test.cpp

@@ -13,8 +13,8 @@ TEST_F(state_transition, call_value_to_empty)
     rev = EVMC_LONDON;
     static constexpr auto BENEFICIARY = 0xbe_address;
     tx.to = To;
-    pre.insert(*tx.to, {.balance = 1, .code = call(BENEFICIARY).value(1)});
-    pre.insert(BENEFICIARY, {});
+    pre[To] = {.balance = 1, .code = call(BENEFICIARY).value(1)};
+    pre[BENEFICIARY] = {};
 
     expect.post[To].balance = 0;
     expect.post[BENEFICIARY].balance = 1;
@@ -24,29 +24,29 @@ TEST_F(state_transition, delegatecall_static_legacy)
 {
     rev = EVMC_PRAGUE;
     // Checks if DELEGATECALL forwards the "static" flag.
-    constexpr auto callee1 = 0xca11ee01_address;
-    constexpr auto callee2 = 0xca11ee02_address;
-    pre.insert(callee2, {
-                            .storage = {{0x01_bytes32, 0xdd_bytes32}},
-                            .code = sstore(1, 0xcc_bytes32),
-                        });
-    pre.insert(callee1, {
-                            .storage = {{0x01_bytes32, 0xdd_bytes32}},
-                            .code = ret(delegatecall(callee2).gas(100'000)),
-                        });
-
+    static constexpr auto CALLEE1 = 0xca11ee01_address;
+    static constexpr auto CALLEE2 = 0xca11ee02_address;
+    pre[CALLEE2] = {
+        .storage = {{0x01_bytes32, 0xdd_bytes32}},
+        .code = sstore(1, 0xcc_bytes32),
+    };
+    pre[CALLEE1] = {
+        .storage = {{0x01_bytes32, 0xdd_bytes32}},
+        .code = ret(delegatecall(CALLEE2).gas(100'000)),
+    };
     tx.to = To;
-    pre.insert(*tx.to, {
-                           .storage = {{0x01_bytes32, 0xdd_bytes32}, {0x02_bytes32, 0xdd_bytes32}},
-                           .code = sstore(1, staticcall(callee1).gas(200'000)) +
-                                   sstore(2, returndatacopy(0, 0, returndatasize()) + mload(0)),
-                       });
+    pre[To] = {
+        .storage = {{0x01_bytes32, 0xdd_bytes32}, {0x02_bytes32, 0xdd_bytes32}},
+        .code = sstore(1, staticcall(CALLEE1).gas(200'000)) +
+                sstore(2, returndatacopy(0, 0, returndatasize()) + mload(0)),
+    };
+
     expect.gas_used = 131480;
     // Outer call - success.
-    expect.post[*tx.to].storage[0x01_bytes32] = 0x01_bytes32;
+    expect.post[To].storage[0x01_bytes32] = 0x01_bytes32;
     // Inner call - no success.
-    expect.post[*tx.to].storage[0x02_bytes32] = 0x00_bytes32;
+    expect.post[To].storage[0x02_bytes32] = 0x00_bytes32;
     // SSTORE failed.
-    expect.post[callee1].storage[0x01_bytes32] = 0xdd_bytes32;
-    expect.post[callee2].storage[0x01_bytes32] = 0xdd_bytes32;
+    expect.post[CALLEE1].storage[0x01_bytes32] = 0xdd_bytes32;
+    expect.post[CALLEE2].storage[0x01_bytes32] = 0xdd_bytes32;
 }