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xahaud/hook/macro.h
Denis Angell cfa46934ed Sync extern.h (#101) 
* update hook error codes

* reorder and remove unused externs

* add HOOK_STATE_DIR keylet

* Delete types.h

* move transaction types
2023-09-19 11:24:09 +02:00

637 lines
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/**
* These are helper macros for writing hooks, all of them are optional as is including hookmacro.h at all
*/
#include <stdint.h>
#include "hookapi.h"
#include "sfcodes.h"
#ifndef HOOKMACROS_INCLUDED
#define HOOKMACROS_INCLUDED 1
#ifdef NDEBUG
#define DEBUG 0
#else
#define DEBUG 1
#endif
#define TRACEVAR(v) if (DEBUG) trace_num((uint32_t)(#v), (uint32_t)(sizeof(#v) - 1), (int64_t)v);
#define TRACEHEX(v) if (DEBUG) trace((uint32_t)(#v), (uint32_t)(sizeof(#v) - 1), (uint32_t)(v), (uint32_t)(sizeof(v)), 1);
#define TRACEXFL(v) if (DEBUG) trace_float((uint32_t)(#v), (uint32_t)(sizeof(#v) - 1), (int64_t)v);
#define TRACESTR(v) if (DEBUG) trace((uint32_t)(#v), (uint32_t)(sizeof(#v) - 1), (uint32_t)(v), sizeof(v), 0);
// hook developers should use this guard macro, simply GUARD(<maximum iterations>)
#define GUARD(maxiter) _g((1ULL << 31U) + __LINE__, (maxiter)+1)
#define GUARDM(maxiter, n) _g(( (1ULL << 31U) + (__LINE__ << 16) + n), (maxiter)+1)
#define SBUF(str) (uint32_t)(str), sizeof(str)
#define REQUIRE(cond, str)\
{\
if (!(cond))\
rollback(SBUF(str), __LINE__);\
}
// make a report buffer as a c-string
// provide a name for a buffer to declare (buf)
// provide a static string
// provide an integer to print after the string
#define RBUF(buf, out_len, str, num)\
unsigned char buf[sizeof(str) + 21];\
int out_len = 0;\
{\
int i = 0;\
for (; GUARDM(sizeof(str),1),i < sizeof(str); ++i)\
(buf)[i] = str[i];\
if ((buf)[sizeof(str)-1] == 0) i--;\
if ((num) < 0) (buf)[i++] = '-';\
uint64_t unsigned_num = (uint64_t)( (num) < 0 ? (num) * -1 : (num) );\
uint64_t j = 10000000000000000000ULL;\
int start = 1;\
for (; GUARDM(20,2), unsigned_num > 0 && j > 0; j /= 10)\
{\
unsigned char digit = ( unsigned_num / j ) % 10;\
if (digit == 0 && start)\
continue;\
start = 0;\
(buf)[i++] = '0' + digit;\
}\
(buf)[i] = '\0';\
out_len = i;\
}
#define RBUF2(buff, out_len, str, num, str2, num2)\
unsigned char buff[sizeof(str) + sizeof(str2) + 42];\
int out_len = 0;\
{\
unsigned char* buf = buff;\
int i = 0;\
for (; GUARDM(sizeof(str),1),i < sizeof(str); ++i)\
(buf)[i] = str[i];\
if ((buf)[sizeof(str)-1] == 0) i--;\
if ((num) < 0) (buf)[i++] = '-';\
uint64_t unsigned_num = (uint64_t)( (num) < 0 ? (num) * -1 : (num) );\
uint64_t j = 10000000000000000000ULL;\
int start = 1;\
for (; GUARDM(20,2), unsigned_num > 0 && j > 0; j /= 10)\
{\
unsigned char digit = ( unsigned_num / j ) % 10;\
if (digit == 0 && start)\
continue;\
start = 0;\
(buf)[i++] = '0' + digit;\
}\
buf += i;\
out_len += i;\
i = 0;\
for (; GUARDM(sizeof(str2),3),i < sizeof(str2); ++i)\
(buf)[i] = str2[i];\
if ((buf)[sizeof(str2)-1] == 0) i--;\
if ((num2) < 0) (buf)[i++] = '-';\
unsigned_num = (uint64_t)( (num2) < 0 ? (num2) * -1 : (num2) );\
j = 10000000000000000000ULL;\
start = 1;\
for (; GUARDM(20,4), unsigned_num > 0 && j > 0; j /= 10)\
{\
unsigned char digit = ( unsigned_num / j ) % 10;\
if (digit == 0 && start)\
continue;\
start = 0;\
(buf)[i++] = '0' + digit;\
}\
(buf)[i] = '\0';\
out_len += i;\
}
#define CLEARBUF(b)\
{\
for (int x = 0; GUARD(sizeof(b)), x < sizeof(b); ++x)\
b[x] = 0;\
}
// returns an in64_t, negative if error, non-negative if valid drops
#define AMOUNT_TO_DROPS(amount_buffer)\
(((amount_buffer)[0] >> 7) ? -2 : (\
((((uint64_t)((amount_buffer)[0])) & 0xb00111111) << 56) +\
(((uint64_t)((amount_buffer)[1])) << 48) +\
(((uint64_t)((amount_buffer)[2])) << 40) +\
(((uint64_t)((amount_buffer)[3])) << 32) +\
(((uint64_t)((amount_buffer)[4])) << 24) +\
(((uint64_t)((amount_buffer)[5])) << 16) +\
(((uint64_t)((amount_buffer)[6])) << 8) +\
(((uint64_t)((amount_buffer)[7])))))
#define SUB_OFFSET(x) ((int32_t)(x >> 32))
#define SUB_LENGTH(x) ((int32_t)(x & 0xFFFFFFFFULL))
#define BUFFER_EQUAL_20(buf1, buf2)\
(\
*(((uint64_t*)(buf1)) + 0) == *(((uint64_t*)(buf2)) + 0) &&\
*(((uint64_t*)(buf1)) + 1) == *(((uint64_t*)(buf2)) + 1) &&\
*(((uint32_t*)(buf1)) + 4) == *(((uint32_t*)(buf2)) + 4))
#define BUFFER_EQUAL_32(buf1, buf2)\
(\
*(((uint64_t*)(buf1)) + 0) == *(((uint64_t*)(buf2)) + 0) &&\
*(((uint64_t*)(buf1)) + 1) == *(((uint64_t*)(buf2)) + 1) &&\
*(((uint64_t*)(buf1)) + 2) == *(((uint64_t*)(buf2)) + 2) &&\
*(((uint64_t*)(buf1)) + 3) == *(((uint64_t*)(buf2)) + 3))
// when using this macro buf1len may be dynamic but buf2len must be static
// provide n >= 1 to indicate how many times the macro will be hit on the line of code
// e.g. if it is in a loop that loops 10 times n = 10
#define BUFFER_EQUAL_GUARD(output, buf1, buf1len, buf2, buf2len, n)\
{\
output = ((buf1len) == (buf2len) ? 1 : 0);\
for (int x = 0; GUARDM( (buf2len) * (n), 1 ), output && x < (buf2len);\
++x)\
output = *(((uint8_t*)(buf1)) + x) == *(((uint8_t*)(buf2)) + x);\
}
#define BUFFER_SWAP(x,y)\
{\
uint8_t* z = x;\
x = y;\
y = z;\
}
#define ACCOUNT_COMPARE(compare_result, buf1, buf2)\
{\
compare_result = 0;\
for (int i = 0; GUARD(20), i < 20; ++i)\
{\
if (buf1[i] > buf2[i])\
{\
compare_result = 1;\
break;\
}\
else if (buf1[i] < buf2[i])\
{\
compare_result = -1;\
break;\
}\
}\
}
#define BUFFER_EQUAL_STR_GUARD(output, buf1, buf1len, str, n)\
BUFFER_EQUAL_GUARD(output, buf1, buf1len, str, (sizeof(str)-1), n)
#define BUFFER_EQUAL_STR(output, buf1, buf1len, str)\
BUFFER_EQUAL_GUARD(output, buf1, buf1len, str, (sizeof(str)-1), 1)
#define BUFFER_EQUAL(output, buf1, buf2, compare_len)\
BUFFER_EQUAL_GUARD(output, buf1, compare_len, buf2, compare_len, 1)
#define UINT16_TO_BUF(buf_raw, i)\
{\
unsigned char* buf = (unsigned char*)buf_raw;\
buf[0] = (((uint64_t)i) >> 8) & 0xFFUL;\
buf[1] = (((uint64_t)i) >> 0) & 0xFFUL;\
}
#define UINT16_FROM_BUF(buf)\
(((uint64_t)((buf)[0]) << 8) +\
((uint64_t)((buf)[1]) << 0))
#define UINT32_TO_BUF(buf_raw, i)\
{\
unsigned char* buf = (unsigned char*)buf_raw;\
buf[0] = (((uint64_t)i) >> 24) & 0xFFUL;\
buf[1] = (((uint64_t)i) >> 16) & 0xFFUL;\
buf[2] = (((uint64_t)i) >> 8) & 0xFFUL;\
buf[3] = (((uint64_t)i) >> 0) & 0xFFUL;\
}
#define UINT32_FROM_BUF(buf)\
(((uint64_t)((buf)[0]) << 24) +\
((uint64_t)((buf)[1]) << 16) +\
((uint64_t)((buf)[2]) << 8) +\
((uint64_t)((buf)[3]) << 0))
#define UINT64_TO_BUF(buf_raw, i)\
{\
unsigned char* buf = (unsigned char*)buf_raw;\
buf[0] = (((uint64_t)i) >> 56) & 0xFFUL;\
buf[1] = (((uint64_t)i) >> 48) & 0xFFUL;\
buf[2] = (((uint64_t)i) >> 40) & 0xFFUL;\
buf[3] = (((uint64_t)i) >> 32) & 0xFFUL;\
buf[4] = (((uint64_t)i) >> 24) & 0xFFUL;\
buf[5] = (((uint64_t)i) >> 16) & 0xFFUL;\
buf[6] = (((uint64_t)i) >> 8) & 0xFFUL;\
buf[7] = (((uint64_t)i) >> 0) & 0xFFUL;\
}
#define UINT64_FROM_BUF(buf)\
(((uint64_t)((buf)[0]) << 56) +\
((uint64_t)((buf)[1]) << 48) +\
((uint64_t)((buf)[2]) << 40) +\
((uint64_t)((buf)[3]) << 32) +\
((uint64_t)((buf)[4]) << 24) +\
((uint64_t)((buf)[5]) << 16) +\
((uint64_t)((buf)[6]) << 8) +\
((uint64_t)((buf)[7]) << 0))
#define INT64_FROM_BUF(buf)\
((((uint64_t)((buf)[0] & 0x7FU) << 56) +\
((uint64_t)((buf)[1]) << 48) +\
((uint64_t)((buf)[2]) << 40) +\
((uint64_t)((buf)[3]) << 32) +\
((uint64_t)((buf)[4]) << 24) +\
((uint64_t)((buf)[5]) << 16) +\
((uint64_t)((buf)[6]) << 8) +\
((uint64_t)((buf)[7]) << 0)) * (buf[0] & 0x80U ? -1 : 1))
#define INT64_TO_BUF(buf_raw, i)\
{\
unsigned char* buf = (unsigned char*)buf_raw;\
buf[0] = (((uint64_t)i) >> 56) & 0x7FUL;\
buf[1] = (((uint64_t)i) >> 48) & 0xFFUL;\
buf[2] = (((uint64_t)i) >> 40) & 0xFFUL;\
buf[3] = (((uint64_t)i) >> 32) & 0xFFUL;\
buf[4] = (((uint64_t)i) >> 24) & 0xFFUL;\
buf[5] = (((uint64_t)i) >> 16) & 0xFFUL;\
buf[6] = (((uint64_t)i) >> 8) & 0xFFUL;\
buf[7] = (((uint64_t)i) >> 0) & 0xFFUL;\
if (i < 0) buf[0] |= 0x80U;\
}
#define tfCANONICAL 0x80000000UL
#define atACCOUNT 1U
#define atOWNER 2U
#define atDESTINATION 3U
#define atISSUER 4U
#define atAUTHORIZE 5U
#define atUNAUTHORIZE 6U
#define atTARGET 7U
#define atREGULARKEY 8U
#define atPSEUDOCALLBACK 9U
#define amAMOUNT 1U
#define amBALANCE 2U
#define amLIMITAMOUNT 3U
#define amTAKERPAYS 4U
#define amTAKERGETS 5U
#define amLOWLIMIT 6U
#define amHIGHLIMIT 7U
#define amFEE 8U
#define amSENDMAX 9U
#define amDELIVERMIN 10U
#define amMINIMUMOFFER 16U
#define amRIPPLEESCROW 17U
#define amDELIVEREDAMOUNT 18U
/**
* RH NOTE -- PAY ATTENTION
*
* ALL 'ENCODE' MACROS INCREMENT BUF_OUT
* THIS IS TO MAKE CHAINING EASY
* BUF_OUT IS A SACRIFICIAL POINTER
*
* 'ENCODE' MACROS WITH CONSTANTS HAVE
* ALIASING TO ASSIST YOU WITH ORDER
* _TYPECODE_FIELDCODE_ENCODE_MACRO
* TO PRODUCE A SERIALIZED OBJECT
* IN CANONICAL FORMAT YOU MUST ORDER
* FIRST BY TYPE CODE THEN BY FIELD CODE
*
* ALL 'PREPARE' MACROS PRESERVE POINTERS
*
**/
#define ENCODE_TL_SIZE 49
#define ENCODE_TL(buf_out, tlamt, amount_type)\
{\
uint8_t uat = amount_type; \
buf_out[0] = 0x60U +(uat & 0x0FU ); \
for (int i = 1; GUARDM(48, 1), i < 49; ++i)\
buf_out[i] = tlamt[i-1];\
buf_out += ENCODE_TL_SIZE;\
}
#define _06_XX_ENCODE_TL(buf_out, drops, amount_type )\
ENCODE_TL(buf_out, drops, amount_type );
#define ENCODE_TL_AMOUNT(buf_out, drops )\
ENCODE_TL(buf_out, drops, amAMOUNT );
#define _06_01_ENCODE_TL_AMOUNT(buf_out, drops )\
ENCODE_TL_AMOUNT(buf_out, drops );
// Encode drops to serialization format
// consumes 9 bytes
#define ENCODE_DROPS_SIZE 9
#define ENCODE_DROPS(buf_out, drops, amount_type ) \
{\
uint8_t uat = amount_type; \
uint64_t udrops = drops; \
buf_out[0] = 0x60U +(uat & 0x0FU ); \
buf_out[1] = 0b01000000 + (( udrops >> 56 ) & 0b00111111 ); \
buf_out[2] = (udrops >> 48) & 0xFFU; \
buf_out[3] = (udrops >> 40) & 0xFFU; \
buf_out[4] = (udrops >> 32) & 0xFFU; \
buf_out[5] = (udrops >> 24) & 0xFFU; \
buf_out[6] = (udrops >> 16) & 0xFFU; \
buf_out[7] = (udrops >> 8) & 0xFFU; \
buf_out[8] = (udrops >> 0) & 0xFFU; \
buf_out += ENCODE_DROPS_SIZE; \
}
#define _06_XX_ENCODE_DROPS(buf_out, drops, amount_type )\
ENCODE_DROPS(buf_out, drops, amount_type );
#define ENCODE_DROPS_AMOUNT(buf_out, drops )\
ENCODE_DROPS(buf_out, drops, amAMOUNT );
#define _06_01_ENCODE_DROPS_AMOUNT(buf_out, drops )\
ENCODE_DROPS_AMOUNT(buf_out, drops );
#define ENCODE_DROPS_FEE(buf_out, drops )\
ENCODE_DROPS(buf_out, drops, amFEE );
#define _06_08_ENCODE_DROPS_FEE(buf_out, drops )\
ENCODE_DROPS_FEE(buf_out, drops );
#define ENCODE_TT_SIZE 3
#define ENCODE_TT(buf_out, tt )\
{\
uint8_t utt = tt;\
buf_out[0] = 0x12U;\
buf_out[1] =(utt >> 8 ) & 0xFFU;\
buf_out[2] =(utt >> 0 ) & 0xFFU;\
buf_out += ENCODE_TT_SIZE; \
}
#define _01_02_ENCODE_TT(buf_out, tt)\
ENCODE_TT(buf_out, tt);
#define ENCODE_ACCOUNT_SIZE 22
#define ENCODE_ACCOUNT(buf_out, account_id, account_type)\
{\
uint8_t uat = account_type;\
buf_out[0] = 0x80U + uat;\
buf_out[1] = 0x14U;\
*(uint64_t*)(buf_out + 2) = *(uint64_t*)(account_id + 0);\
*(uint64_t*)(buf_out + 10) = *(uint64_t*)(account_id + 8);\
*(uint32_t*)(buf_out + 18) = *(uint32_t*)(account_id + 16);\
buf_out += ENCODE_ACCOUNT_SIZE;\
}
#define _08_XX_ENCODE_ACCOUNT(buf_out, account_id, account_type)\
ENCODE_ACCOUNT(buf_out, account_id, account_type);
#define ENCODE_ACCOUNT_SRC_SIZE 22
#define ENCODE_ACCOUNT_SRC(buf_out, account_id)\
ENCODE_ACCOUNT(buf_out, account_id, atACCOUNT);
#define _08_01_ENCODE_ACCOUNT_SRC(buf_out, account_id)\
ENCODE_ACCOUNT_SRC(buf_out, account_id);
#define ENCODE_ACCOUNT_DST_SIZE 22
#define ENCODE_ACCOUNT_DST(buf_out, account_id)\
ENCODE_ACCOUNT(buf_out, account_id, atDESTINATION);
#define _08_03_ENCODE_ACCOUNT_DST(buf_out, account_id)\
ENCODE_ACCOUNT_DST(buf_out, account_id);
#define ENCODE_ACCOUNT_OWNER_SIZE 22
#define ENCODE_ACCOUNT_OWNER(buf_out, account_id) \
ENCODE_ACCOUNT(buf_out, account_id, atOWNER);
#define _08_02_ENCODE_ACCOUNT_OWNER(buf_out, account_id) \
ENCODE_ACCOUNT_OWNER(buf_out, account_id);
#define ENCODE_UINT32_COMMON_SIZE 5U
#define ENCODE_UINT32_COMMON(buf_out, i, field)\
{\
uint32_t ui = i; \
uint8_t uf = field; \
buf_out[0] = 0x20U +(uf & 0x0FU); \
buf_out[1] =(ui >> 24 ) & 0xFFU; \
buf_out[2] =(ui >> 16 ) & 0xFFU; \
buf_out[3] =(ui >> 8 ) & 0xFFU; \
buf_out[4] =(ui >> 0 ) & 0xFFU; \
buf_out += ENCODE_UINT32_COMMON_SIZE; \
}
#define _02_XX_ENCODE_UINT32_COMMON(buf_out, i, field)\
ENCODE_UINT32_COMMON(buf_out, i, field)\
#define ENCODE_UINT32_UNCOMMON_SIZE 6U
#define ENCODE_UINT32_UNCOMMON(buf_out, i, field)\
{\
uint32_t ui = i; \
uint8_t uf = field; \
buf_out[0] = 0x20U; \
buf_out[1] = uf; \
buf_out[2] =(ui >> 24 ) & 0xFFU; \
buf_out[3] =(ui >> 16 ) & 0xFFU; \
buf_out[4] =(ui >> 8 ) & 0xFFU; \
buf_out[5] =(ui >> 0 ) & 0xFFU; \
buf_out += ENCODE_UINT32_UNCOMMON_SIZE; \
}
#define _02_XX_ENCODE_UINT32_UNCOMMON(buf_out, i, field)\
ENCODE_UINT32_UNCOMMON(buf_out, i, field)\
#define ENCODE_LLS_SIZE 6U
#define ENCODE_LLS(buf_out, lls )\
ENCODE_UINT32_UNCOMMON(buf_out, lls, 0x1B );
#define _02_27_ENCODE_LLS(buf_out, lls )\
ENCODE_LLS(buf_out, lls );
#define ENCODE_FLS_SIZE 6U
#define ENCODE_FLS(buf_out, fls )\
ENCODE_UINT32_UNCOMMON(buf_out, fls, 0x1A );
#define _02_26_ENCODE_FLS(buf_out, fls )\
ENCODE_FLS(buf_out, fls );
#define ENCODE_TAG_SRC_SIZE 5
#define ENCODE_TAG_SRC(buf_out, tag )\
ENCODE_UINT32_COMMON(buf_out, tag, 0x3U );
#define _02_03_ENCODE_TAG_SRC(buf_out, tag )\
ENCODE_TAG_SRC(buf_out, tag );
#define ENCODE_TAG_DST_SIZE 5
#define ENCODE_TAG_DST(buf_out, tag )\
ENCODE_UINT32_COMMON(buf_out, tag, 0xEU );
#define _02_14_ENCODE_TAG_DST(buf_out, tag )\
ENCODE_TAG_DST(buf_out, tag );
#define ENCODE_SEQUENCE_SIZE 5
#define ENCODE_SEQUENCE(buf_out, sequence )\
ENCODE_UINT32_COMMON(buf_out, sequence, 0x4U );
#define _02_04_ENCODE_SEQUENCE(buf_out, sequence )\
ENCODE_SEQUENCE(buf_out, sequence );
#define ENCODE_FLAGS_SIZE 5
#define ENCODE_FLAGS(buf_out, tag )\
ENCODE_UINT32_COMMON(buf_out, tag, 0x2U );
#define _02_02_ENCODE_FLAGS(buf_out, tag )\
ENCODE_FLAGS(buf_out, tag );
#define ENCODE_SIGNING_PUBKEY_SIZE 35
#define ENCODE_SIGNING_PUBKEY(buf_out, pkey )\
{\
buf_out[0] = 0x73U;\
buf_out[1] = 0x21U;\
*(uint64_t*)(buf_out + 2) = *(uint64_t*)(pkey + 0);\
*(uint64_t*)(buf_out + 10) = *(uint64_t*)(pkey + 8);\
*(uint64_t*)(buf_out + 18) = *(uint64_t*)(pkey + 16);\
*(uint64_t*)(buf_out + 26) = *(uint64_t*)(pkey + 24);\
buf[34] = pkey[32];\
buf_out += ENCODE_SIGNING_PUBKEY_SIZE;\
}
#define _07_03_ENCODE_SIGNING_PUBKEY(buf_out, pkey )\
ENCODE_SIGNING_PUBKEY(buf_out, pkey );
#define ENCODE_SIGNING_PUBKEY_NULL_SIZE 2
#define ENCODE_SIGNING_PUBKEY_NULL(buf_out )\
{\
*buf_out++ = 0x73U;\
*buf_out++ = 0x00U;\
}
#define _07_03_ENCODE_SIGNING_PUBKEY_NULL(buf_out )\
ENCODE_SIGNING_PUBKEY_NULL(buf_out );
#define _0E_0E_ENCODE_HOOKOBJ(buf_out, hhash)\
{\
uint8_t* hook0 = (hhash);\
*buf_out++ = 0xEEU; /* hook obj start */ \
if (hook0 == 0) /* noop */\
{\
/* do nothing */ \
}\
else\
{\
*buf_out++ = 0x22U; /* flags = override */\
*buf_out++ = 0x00U;\
*buf_out++ = 0x00U;\
*buf_out++ = 0x00U;\
*buf_out++ = 0x01U;\
if (hook0 == 0xFFFFFFFFUL) /* delete operation */ \
{\
*buf_out++ = 0x7BU; /* empty createcode */ \
*buf_out++ = 0x00U;\
}\
else\
{\
*buf_out++ = 0x50U; /* HookHash */\
*buf_out++ = 0x1FU;\
uint64_t* d = (uint64_t*)buf_out;\
uint64_t* s = (uint64_t*)hook0;\
*d++ = *s++;\
*d++ = *s++;\
*d++ = *s++;\
*d++ = *s++;\
buf_out+=32;\
}\
}\
*buf_out++ = 0xE1U;\
}
#define PREPARE_HOOKSET(buf_out_master, maxlen, h, sizeout)\
{\
uint8_t* buf_out = (buf_out_master); \
uint8_t acc[20]; \
uint32_t cls = (uint32_t)ledger_seq(); \
hook_account(SBUF(acc)); \
_01_02_ENCODE_TT (buf_out, ttHOOK_SET ); \
_02_02_ENCODE_FLAGS (buf_out, tfCANONICAL ); \
_02_04_ENCODE_SEQUENCE (buf_out, 0 ); \
_02_26_ENCODE_FLS (buf_out, cls + 1 ); \
_02_27_ENCODE_LLS (buf_out, cls + 5 ); \
uint8_t* fee_ptr = buf_out; \
_06_08_ENCODE_DROPS_FEE (buf_out, 0 ); \
_07_03_ENCODE_SIGNING_PUBKEY_NULL (buf_out ); \
_08_01_ENCODE_ACCOUNT_SRC (buf_out, acc ); \
uint32_t remaining_size = (maxlen) - (buf_out - (buf_out_master)); \
int64_t edlen = etxn_details((uint32_t)buf_out, remaining_size); \
buf_out += edlen; \
*buf_out++ = 0xFBU; /* hook array start */ \
_0E_0E_ENCODE_HOOKOBJ (buf_out, h[0]); \
_0E_0E_ENCODE_HOOKOBJ (buf_out, h[1]); \
_0E_0E_ENCODE_HOOKOBJ (buf_out, h[2]); \
_0E_0E_ENCODE_HOOKOBJ (buf_out, h[3]); \
_0E_0E_ENCODE_HOOKOBJ (buf_out, h[4]); \
_0E_0E_ENCODE_HOOKOBJ (buf_out, h[5]); \
_0E_0E_ENCODE_HOOKOBJ (buf_out, h[6]); \
_0E_0E_ENCODE_HOOKOBJ (buf_out, h[7]); \
_0E_0E_ENCODE_HOOKOBJ (buf_out, h[8]); \
_0E_0E_ENCODE_HOOKOBJ (buf_out, h[9]); \
*buf_out++ = 0xF1U; /* hook array end */ \
sizeout = (buf_out - (buf_out_master)); \
int64_t fee = etxn_fee_base(buf_out_master, sizeout); \
_06_08_ENCODE_DROPS_FEE (fee_ptr, fee ); \
}
#ifdef HAS_CALLBACK
#define PREPARE_PAYMENT_SIMPLE_SIZE 270U
#else
#define PREPARE_PAYMENT_SIMPLE_SIZE 248U
#endif
#define PREPARE_PAYMENT_SIMPLE(buf_out_master, drops_amount_raw, to_address, dest_tag_raw, src_tag_raw)\
{\
uint8_t* buf_out = buf_out_master;\
uint8_t acc[20];\
uint64_t drops_amount = (drops_amount_raw);\
uint32_t dest_tag = (dest_tag_raw);\
uint32_t src_tag = (src_tag_raw);\
uint32_t cls = (uint32_t)ledger_seq();\
hook_account(SBUF(acc));\
_01_02_ENCODE_TT (buf_out, ttPAYMENT ); /* uint16 | size 3 */ \
_02_02_ENCODE_FLAGS (buf_out, tfCANONICAL ); /* uint32 | size 5 */ \
_02_03_ENCODE_TAG_SRC (buf_out, src_tag ); /* uint32 | size 5 */ \
_02_04_ENCODE_SEQUENCE (buf_out, 0 ); /* uint32 | size 5 */ \
_02_14_ENCODE_TAG_DST (buf_out, dest_tag ); /* uint32 | size 5 */ \
_02_26_ENCODE_FLS (buf_out, cls + 1 ); /* uint32 | size 6 */ \
_02_27_ENCODE_LLS (buf_out, cls + 5 ); /* uint32 | size 6 */ \
_06_01_ENCODE_DROPS_AMOUNT (buf_out, drops_amount ); /* amount | size 9 */ \
uint8_t* fee_ptr = buf_out;\
_06_08_ENCODE_DROPS_FEE (buf_out, 0 ); /* amount | size 9 */ \
_07_03_ENCODE_SIGNING_PUBKEY_NULL (buf_out ); /* pk | size 35 */ \
_08_01_ENCODE_ACCOUNT_SRC (buf_out, acc ); /* account | size 22 */ \
_08_03_ENCODE_ACCOUNT_DST (buf_out, to_address ); /* account | size 22 */ \
int64_t edlen = etxn_details((uint32_t)buf_out, PREPARE_PAYMENT_SIMPLE_SIZE); /* emitdet | size 1?? */ \
int64_t fee = etxn_fee_base(buf_out_master, PREPARE_PAYMENT_SIMPLE_SIZE); \
_06_08_ENCODE_DROPS_FEE (fee_ptr, fee ); \
}
#ifdef HAS_CALLBACK
#define PREPARE_PAYMENT_SIMPLE_TRUSTLINE_SIZE 309
#else
#define PREPARE_PAYMENT_SIMPLE_TRUSTLINE_SIZE 287
#endif
#define PREPARE_PAYMENT_SIMPLE_TRUSTLINE(buf_out_master, tlamt, to_address, dest_tag_raw, src_tag_raw)\
{\
uint8_t* buf_out = buf_out_master;\
uint8_t acc[20];\
uint32_t dest_tag = (dest_tag_raw);\
uint32_t src_tag = (src_tag_raw);\
uint32_t cls = (uint32_t)ledger_seq();\
hook_account(SBUF(acc));\
_01_02_ENCODE_TT (buf_out, ttPAYMENT ); /* uint16 | size 3 */ \
_02_02_ENCODE_FLAGS (buf_out, tfCANONICAL ); /* uint32 | size 5 */ \
_02_03_ENCODE_TAG_SRC (buf_out, src_tag ); /* uint32 | size 5 */ \
_02_04_ENCODE_SEQUENCE (buf_out, 0 ); /* uint32 | size 5 */ \
_02_14_ENCODE_TAG_DST (buf_out, dest_tag ); /* uint32 | size 5 */ \
_02_26_ENCODE_FLS (buf_out, cls + 1 ); /* uint32 | size 6 */ \
_02_27_ENCODE_LLS (buf_out, cls + 5 ); /* uint32 | size 6 */ \
_06_01_ENCODE_TL_AMOUNT (buf_out, tlamt ); /* amount | size 48 */ \
uint8_t* fee_ptr = buf_out;\
_06_08_ENCODE_DROPS_FEE (buf_out, 0 ); /* amount | size 9 */ \
_07_03_ENCODE_SIGNING_PUBKEY_NULL (buf_out ); /* pk | size 35 */ \
_08_01_ENCODE_ACCOUNT_SRC (buf_out, acc ); /* account | size 22 */ \
_08_03_ENCODE_ACCOUNT_DST (buf_out, to_address ); /* account | size 22 */ \
etxn_details((uint32_t)buf_out, PREPARE_PAYMENT_SIMPLE_TRUSTLINE_SIZE); /* emitdet | size 1?? */ \
int64_t fee = etxn_fee_base(buf_out_master, PREPARE_PAYMENT_SIMPLE_TRUSTLINE_SIZE); \
_06_08_ENCODE_DROPS_FEE (fee_ptr, fee ); \
}
#endif
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