git ssb - Merge pull request #27 from ewasm/fix-calldatacopy · wanderer🌟/js-primea-hypervisor@e2b0bc2f

Fix callDataCopy

wanderer authored on 8/17/2016, 6:18:35 PM
GitHub committed on 8/17/2016, 6:18:35 PM
Parent: d39de3e772adfb891056fd28b873a362f305e36d
Parent: d42548aec13093f0e30edf69632e67ad56a0cec2

interface.js	changed
tests/interface/callDataCopy.json	added
tests/interface/callDataCopy.wast	added

interface.jsView
		@@ -143,9 +143,9 @@
143	143	* @param {integer} dataOffset the offset in the input data
144	144	* @param {integer} length the length of data to copy
145	145	*/
146	146	callDataCopy (offset, dataOffset, length) {
147		- const callData = Buffer.from(this.environment.callData.slice(dataOffset, dataOffset + length)).reverse()
	147	+ const callData = this.environment.callData.slice(dataOffset, dataOffset + length)
148	148	this.setMemory(offset, length, callData)
149	149	}
150	150
151	151	/**

tests/interface/callDataCopy.jsonView
		@@ -1,0 +1,3 @@
	1	+{
	2	+ "callData": "596f75206172652077616974696e6720666f7220746865207265766f6c7574696f6e3f204c657420697420626521204d79206f776e20626567616e2061206c6f6e672074696d652061676f21205768656e20796f752077696c6c2062652072656164792e2e2e4920776f6ee2809974206d696e6420676f696e6720616c6f6e67207769746820796f7520666f722061207768696c652e20427574207768656e20796f75e280996c6c2073746f702c2049207368616c6c20636f6e74696e7565206f6e206d7920696e73616e6520616e6420747269756d7068616e742077617920746f776172642074686520677265617420616e64207375626c696d6520636f6e7175657374206f6620746865206e6f7468696e6721"
	3	+}

tests/interface/callDataCopy.wastView
		@@ -1,0 +1,18 @@
	1	+;; calldata is "596f75206172652077616974...", but i64.load works in LSB mode
	2	+(module
	3	+ (memory 1)
	4	+ (import $callDataCopy "ethereum" "callDataCopy" (param i32 i32 i32))
	5	+
	6	+ (export "memory" memory)
	7	+ (export "test" 0)
	8	+ (func
	9	+ (block
	10	+ (call_import $callDataCopy (i32.const 0) (i32.const 0) (i32.const 8))
	11	+
	12	+ (if (i64.eq (i64.load (i32.const 0)) (i64.const 0x2065726120756f59))
	13	+ (return)
	14	+ )
	15	+ (unreachable)
	16	+ )
	17	+ )
	18	+)

wanderer🌟 / js-primea-hypervisor