add compiler for c contract

pkg/ckb/syscalls.cell

@@ -2,22 +2,24 @@ package ckb
 
 import (
 	"blockchain"
+	// "debug"
 )
 
 const (
 	SIZE_H256 = 32
 	SIZE_TX = 65536
+	SIZE_SCRIPT = 65536
 )
 
-func loadTxhash() blockchain.Byte32 {
+func loadTxHash() blockchain.Byte32 {
 	data := make([]byte, SIZE_H256, SIZE_H256)
 	ptr := __slice_get_ptr(data)
 	size := 0
 	err := ckb_load_tx_hash(ptr, &size, 0)
 	if err != CKB_SUCCESS {
 		return blockchain.Byte32Default()
 	}
-	return blockchain.Byte32FromSliceUnchecked()
+	return blockchain.Byte32FromSliceUnchecked(data)
 }
 func loadTx() []byte {
 	data := make([]byte, SIZE_TX, SIZE_TX)
@@ -42,10 +44,18 @@ func loadScriptHash() blockchain.Byte32 {
 	if err != CKB_SUCCESS {
 		return blockchain.Byte32Default()
 	}
-	return blockchain.Byte32FromSliceUnchecked()
+	return blockchain.Byte32FromSliceUnchecked(data)
+}
+func loadScript() blockchain.Script {
+	data := make([]byte, SIZE_SCRIPT, SIZE_SCRIPT)
+	ptr := __slice_get_ptr(data)
+	size := 0
+	err := ckb_load_script(ptr, &size, 0)
+	if err != CKB_SUCCESS {
+		return blockchain.ScriptDefault()
+	}
+	return blockchain.ScriptFromSliceUnchecked(data)
 }
-// func load_script(addr uintptr, len uint64, offset uint) int
-// func loadScript()
 // func load_cell(addr uintptr, len uint64, offset uint, index uint, source uint) int
 // func load_input(addr uintptr, len uint64, offset uint, index uint, source uint) int
 // func load_header(addr uintptr, len uint64, offset uint, index uint, source uint) int

scripts/cc.sh

@@ -0,0 +1,13 @@
+cmd="clang -o a.out --target=riscv64 \
+    -march=rv64imc \
+    -nostdlib \
+    -Wall -Werror -Wextra -Wno-unused-parameter -Wno-nonnull -fno-builtin-printf -fno-builtin-memcmp -O3 -fdata-sections -ffunction-sections \
+    -I third-party/ckb-c-stdlib/libc \
+    -I third-party/ckb-c-stdlib/molecule \
+    -I third-party/ckb-c-stdlib \
+    -I third-party/sparse-merkle-tree/c \
+    -DCKB_C_STDLIB_PRINTF=1 \
+    -DCKB_PRINTF_DECLARATION_ONLY=1 \
+    $1"
+echo $cmd
+$cmd

scripts/ckb-debug-tx.sh

@@ -1,8 +1,8 @@
 cmd="ckb-debugger --tx-file dump.json \
     --cell-index $1 \
     --cell-type input \
-    --script-group-type lock \
-    --bin hi"
+    --script-group-type type \
+    --bin a.out"
 echo $cmd
 $cmd