Merge pull request #10558 from ethereum/magictype-tests

Adds more tests for state access (block/tx/msg)

test/libsolidity/semanticTests/state/block_coinbase.sol

@@ -0,0 +1,11 @@
+contract C {
+    function f() public returns (address payable) {
+        return block.coinbase;
+    }
+}
+// ====
+// compileViaYul: also
+// ----
+// f() -> 0x7878787878787878787878787878787878787878
+// f() -> 0x7878787878787878787878787878787878787878
+// f() -> 0x7878787878787878787878787878787878787878

test/libsolidity/semanticTests/state/block_difficulty.sol

@@ -0,0 +1,11 @@
+contract C {
+    function f() public returns (uint) {
+        return block.difficulty;
+    }
+}
+// ====
+// compileViaYul: also
+// ----
+// f() -> 200000000
+// f() -> 200000000
+// f() -> 200000000

test/libsolidity/semanticTests/state/block_gaslimit.sol

@@ -0,0 +1,11 @@
+contract C {
+    function f() public returns (uint) {
+        return block.gaslimit;
+    }
+}
+// ====
+// compileViaYul: also
+// ----
+// f() -> 20000000
+// f() -> 20000000
+// f() -> 20000000

test/libsolidity/semanticTests/state/block_number.sol

@@ -0,0 +1,12 @@
+contract C {
+    constructor() {}
+    function f() public returns (uint) {
+        return block.number;
+    }
+}
+// ====
+// compileViaYul: also
+// ----
+// constructor()
+// f() -> 2
+// f() -> 3

test/libsolidity/semanticTests/state/block_timestamp.sol

@@ -0,0 +1,12 @@
+contract C {
+    constructor() {}
+    function f() public returns (uint) {
+        return block.timestamp;
+    }
+}
+// ====
+// compileViaYul: also
+// ----
+// constructor()   # This is the 1st block #
+// f() -> 0x1e     # This is the 2nd block (each block is "15 seconds") #
+// f() -> 0x2d     # This is the 3rd block #

test/libsolidity/semanticTests/state/blockhash_basic.sol

@@ -0,0 +1,23 @@
+contract C {
+    bytes32 public genesisHash;
+    bytes32 public currentHash;
+    constructor() {
+        require(block.number == 1);
+        genesisHash = blockhash(0);
+        currentHash = blockhash(1);
+    }
+    function f(uint blockNumber) public returns (bytes32) {
+        return blockhash(blockNumber);
+    }
+}
+// ====
+// compileViaYul: also
+// ----
+// constructor()
+// genesisHash() -> 0x3737373737373737373737373737373737373737373737373737373737373737
+// currentHash() -> 0
+// f(uint256): 0 -> 0x3737373737373737373737373737373737373737373737373737373737373737
+// f(uint256): 1 -> 0x3737373737373737373737373737373737373737373737373737373737373738
+// f(uint256): 255 -> 0x00
+// f(uint256): 256 -> 0x00
+// f(uint256): 257 -> 0x00

test/libsolidity/semanticTests/state/gasleft.sol

@@ -0,0 +1,11 @@
+contract C {
+    function f() public returns (bool) {
+        return gasleft() > 0;
+    }
+}
+// ====
+// compileViaYul: also
+// ----
+// f() -> true
+// f() -> true
+// f() -> true

test/libsolidity/semanticTests/state/msg_data.sol

@@ -0,0 +1,13 @@
+contract C {
+    function f() public returns (bytes calldata) {
+        return msg.data;
+    }
+    function g(uint,bool) public returns (bytes calldata) {
+        return msg.data;
+    }
+}
+// ====
+// compileViaYul: also
+// ----
+// f() -> 0x20, 4, 17219911917854084299749778639755835327755045716242581057573779540915269926912
+// g(uint256,bool): 1234, true -> 0x20, 0x44, 35691323728519381642872894128098848782337736632589179916067422734266033766400, 33268574187263889506619096617382224251268236217415066441681855047532544, 26959946667150639794667015087019630673637144422540572481103610249216

test/libsolidity/semanticTests/state/msg_sender.sol

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+contract C {
+    function f() public returns (address payable) {
+        return msg.sender;
+    }
+}
+// ====
+// compileViaYul: also
+// ----
+// f() -> 0x1212121212121212121212121212120000000012

test/libsolidity/semanticTests/state/msg_sig.sol

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+contract C {
+    function f() public returns (bytes4) {
+        return msg.sig;
+    }
+    function g() public returns (bytes4) {
+        return msg.sig;
+    }
+}
+// ====
+// compileViaYul: also
+// ----
+// f() -> 0x26121ff000000000000000000000000000000000000000000000000000000000
+// g() -> 0xe2179b8e00000000000000000000000000000000000000000000000000000000

test/libsolidity/semanticTests/state/msg_value.sol

@@ -0,0 +1,10 @@
+contract C {
+    function f() public payable returns (uint) {
+        return msg.value;
+    }
+}
+// ====
+// compileViaYul: also
+// ----
+// f() -> 0
+// f(), 12 ether -> 12000000000000000000

test/libsolidity/semanticTests/state/tx_gasprice.sol

@@ -0,0 +1,11 @@
+contract C {
+    function f() public returns (uint) {
+        return tx.gasprice;
+    }
+}
+// ====
+// compileViaYul: also
+// ----
+// f() -> 3000000000
+// f() -> 3000000000
+// f() -> 3000000000

test/libsolidity/semanticTests/state/tx_origin.sol

@@ -0,0 +1,11 @@
+contract C {
+    function f() public returns (address payable) {
+        return tx.origin;
+    }
+}
+// ====
+// compileViaYul: also
+// ----
+// f() -> 0x9292929292929292929292929292929292929292
+// f() -> 0x9292929292929292929292929292929292929292
+// f() -> 0x9292929292929292929292929292929292929292

test/libsolidity/semanticTests/state/uncalled_blockhash.sol

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+contract C {
+    function f() public returns (bytes32) {
+        return (blockhash)(block.number - 1);
+    }
+}
+// ====
+// compileViaYul: also
+// ----
+// f() -> 0x3737373737373737373737373737373737373737373737373737373737373738