/
PrettyScript.hs
175 lines (153 loc) · 5.5 KB
/
PrettyScript.hs
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module PrettyScript
(prettyOp
,prettyOps
,prettyScript
,showDoc
) where
import Network.Haskoin.Internals (Script(..),ScriptOp(..))
import Data.ByteString.Char8 (ByteString,unpack)
import Data.List (intersperse)
import qualified Data.ByteString.Base16 as B16
type Doc = ShowS
tok :: String -> Doc
tok = (++)
(<+>) :: Doc -> Doc -> Doc
x <+> y = x . tok " " . y
sep :: [Doc] -> Doc
sep = foldr (.) id . intersperse (tok " ")
bracket :: Doc -> Doc
bracket d = tok "[ " . d . tok " ]"
int :: Int -> Doc
int = tok . show
hex :: ByteString -> Doc
hex = tok . unpack . B16.encode
prettyOp :: ScriptOp -> Doc
prettyOp o = case o of
OP_PUSHDATA ws _d -> bracket $ hex ws
-- Constants
OP_0 -> int 0
OP_1NEGATE -> int (-1)
OP_RESERVED -> tok "reserved"
OP_1 -> int 1
OP_2 -> int 2
OP_3 -> int 3
OP_4 -> int 4
OP_5 -> int 5
OP_6 -> int 6
OP_7 -> int 7
OP_8 -> int 8
OP_9 -> int 9
OP_10 -> int 10
OP_11 -> int 11
OP_12 -> int 12
OP_13 -> int 13
OP_14 -> int 14
OP_15 -> int 15
OP_16 -> int 16
-- Crypto Constants
OP_PUBKEY -> tok "pubkey"
OP_PUBKEYHASH -> tok "pubkeyhash"
-- Invalid Opcodes
OP_INVALIDOPCODE x -> tok "invalidopcode" <+> tok (show x)
-- Flow Control
OP_NOP -> tok "nop"
OP_VER -> tok "ver"
OP_IF -> tok "if"
OP_NOTIF -> tok "notif"
OP_VERIF -> tok "verif"
OP_VERNOTIF -> tok "vernotif"
OP_ELSE -> tok "else"
OP_ENDIF -> tok "endif"
OP_VERIFY -> tok "verify"
OP_RETURN -> tok "return"
-- Stack Operations
OP_TOALTSTACK -> tok "toaltstack"
OP_FROMALTSTACK -> tok "fromaltstack"
OP_2DROP -> tok "2drop"
OP_2DUP -> tok "2dup"
OP_3DUP -> tok "3dup"
OP_2OVER -> tok "2over"
OP_2ROT -> tok "2rot"
OP_2SWAP -> tok "2swap"
OP_IFDUP -> tok "ifdup"
OP_DEPTH -> tok "depth"
OP_DROP -> tok "drop"
OP_DUP -> tok "dup"
OP_NIP -> tok "nip"
OP_OVER -> tok "over"
OP_PICK -> tok "pick"
OP_ROLL -> tok "roll"
OP_ROT -> tok "rot"
OP_SWAP -> tok "swap"
OP_TUCK -> tok "tuck"
-- Splice
OP_CAT -> tok "cat"
OP_SUBSTR -> tok "substr"
OP_LEFT -> tok "left"
OP_RIGHT -> tok "right"
OP_SIZE -> tok "size"
-- Bitwise Logic
OP_INVERT -> tok "invert"
OP_AND -> tok "and"
OP_OR -> tok "or"
OP_XOR -> tok "xor"
OP_EQUAL -> tok "equal"
OP_EQUALVERIFY -> tok "equalverify"
OP_RESERVED1 -> tok "reserved1"
OP_RESERVED2 -> tok "reserved2"
-- Arithmetic
OP_1ADD -> tok "1add"
OP_1SUB -> tok "1sub"
OP_2MUL -> tok "2mul"
OP_2DIV -> tok "2div"
OP_NEGATE -> tok "negate"
OP_ABS -> tok "abs"
OP_NOT -> tok "not"
OP_0NOTEQUAL -> tok "0notequal"
OP_ADD -> tok "add"
OP_SUB -> tok "sub"
OP_MUL -> tok "mul"
OP_DIV -> tok "div"
OP_MOD -> tok "mod"
OP_LSHIFT -> tok "lshift"
OP_RSHIFT -> tok "rshift"
OP_BOOLAND -> tok "booland"
OP_BOOLOR -> tok "boolor"
OP_NUMEQUAL -> tok "numequal"
OP_NUMEQUALVERIFY -> tok "numequalverify"
OP_NUMNOTEQUAL -> tok "numnotequal"
OP_LESSTHAN -> tok "lessthan"
OP_GREATERTHAN -> tok "greaterthan"
OP_LESSTHANOREQUAL -> tok "lessthanorequal"
OP_GREATERTHANOREQUAL -> tok "greaterthanorequal"
OP_MIN -> tok "min"
OP_MAX -> tok "max"
OP_WITHIN -> tok "within"
-- Crypto
OP_RIPEMD160 -> tok "ripemd160"
OP_SHA1 -> tok "sha1"
OP_SHA256 -> tok "sha256"
OP_HASH160 -> tok "hash160"
OP_HASH256 -> tok "hash256"
OP_CODESEPARATOR -> tok "codeseparator"
OP_CHECKSIG -> tok "checksig"
OP_CHECKSIGVERIFY -> tok "checksigverify"
OP_CHECKMULTISIG -> tok "checkmultisig"
OP_CHECKMULTISIGVERIFY-> tok "checkmultisigverify"
-- More NOPs
OP_NOP1 -> tok "nop1"
OP_NOP2 -> tok "nop2"
OP_NOP3 -> tok "nop3"
OP_NOP4 -> tok "nop4"
OP_NOP5 -> tok "nop5"
OP_NOP6 -> tok "nop6"
OP_NOP7 -> tok "nop7"
OP_NOP8 -> tok "nop8"
OP_NOP9 -> tok "nop9"
OP_NOP10 -> tok "nop10"
prettyOps :: [ScriptOp] -> Doc
prettyOps = sep . map prettyOp
prettyScript :: Script -> Doc
prettyScript = prettyOps . scriptOps
showDoc :: Doc -> String
showDoc d = d ""