ARCHIVE/xahaud
3
0
Fork 0
mirror of https://github.com/Xahau/xahaud.git synced 2025-11-19 01:55:48 +00:00
Code Issues Packages Projects Releases Wiki Activity

improve reward hook fee (untested)

Browse Source
This commit is contained in:
Richard Holland
2023-04-03 10:39:11 +00:00
parent 2ddf7541a6
commit 435c956ef7
3 changed files with 111 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

377
hook/govern.c Normal file
View File

@@ -0,0 +1,377 @@
#include "hookapi.h"
#define ASSERT(x)\
if (!(x))\
rollback(0,0,__LINE__);
#define INIT_MEMBER_COUNT 5
#define MAX_MEMBER_COUNT 20
#define INIT_AMOUNT 50000000000000ULL // 50MM
// test accounts only, must be replaced with real accounts prior to launch
uint8_t initial_members[] =
{
// the first 12 bytes of each is padding to allow a reverse key
// to be easily set for the account id
// acc 0 - rJmkqLL4mqrc9kbP5Ztkq4TvVamYNetedp
0x00U,0x00U,0x00U,0x00U,0x00U,0x00U,0x00U,0x00U,0x00U,0x00U, 0x00U, 0x00U,
0xC2U,0xF1U,0x07U,0xE6U,0xE8U,0x64U,0xD3U,0x90U,0x6DU,0x0AU,
0x08U,0x84U,0x46U,0xFDU,0xDFU,0x8AU,0x7BU,0x2FU,0x56U,0x9CU,
// acc 1 - rEVGdPT6ACPPcXGNwNeeYYtoRTKFaqhEi4
0x00U,0x00U,0x00U,0x00U,0x00U,0x00U,0x00U,0x00U,0x00U,0x00U, 0x00U, 0x00U,
0x9EU,0xEAU,0x73U,0xF5U,0xF0U,0x62U,0x7EU,0x69U,0x39U,0x7EU,
0xC7U,0x2EU,0x9AU,0x3CU,0x78U,0x04U,0xC0U,0xF2U,0xBFU,0x69U,
// acc 2 - rJi1kZsQthVqVPLmQdTmG8AtiAKk26J9ST
0x00U,0x00U,0x00U,0x00U,0x00U,0x00U,0x00U,0x00U,0x00U,0x00U, 0x00U, 0x00U,
0xC3U,0xE8U,0xE2U,0x9AU,0xB6U,0x28U,0x47U,0x27U,0x5CU,0xEDU,
0x36U,0xEBU,0xF4U,0xE9U,0x28U,0xDCU,0x25U,0xA0U,0x7FU,0x24U,
// acc 3 - rHm34nx2QSJKXhe32NiNbsnrUSeZqDZMkg
0x00U,0x00U,0x00U,0x00U,0x00U,0x00U,0x00U,0x00U,0x00U,0x00U, 0x00U, 0x00U,
0xB7U,0xDAU,0x76U,0x2DU,0xB9U,0x90U,0x2EU,0x85U,0x19U,0x96U,
0x66U,0xB2U,0xE6U,0xC3U,0x00U,0x9CU,0x5EU,0x27U,0x57U,0x69U,
// acc 4 - rLc3URyuFpTqBAcPFK5J7c73h488ew79dH
0x00U,0x00U,0x00U,0x00U,0x00U,0x00U,0x00U,0x00U,0x00U,0x00U, 0x00U, 0x00U,
0xD7U,0x0EU,0xF4U,0xD5U,0x02U,0x1CU,0x7CU,0x64U,0x6AU,0x98U,
0xE8U,0x4FU,0x60U,0xFEU,0xD3U,0x64U,0xA0U,0x04U,0x45U,0x32U,
};
// this is the xfl for 0.00333333333
uint8_t initial_reward[] = // on key FF, 0..0
{
0x53U,0xCBU,0xD7U,0xA6U,0x25U,0x0DU,0x78U,0x80U
};
uint8_t key[32];
uint8_t account_field[32];
uint8_t zero[32];
#define DONE()\
{\
accept(0,0,(uint32_t)__LINE__);\
}
#define TRACELINE()\
{\
uint8_t out[4];\
out[0] = (__LINE__ >> 24U) & 0xFFU;\
out[1] = (__LINE__ >> 16U) & 0xFFU;\
out[2] = (__LINE__ >> 8U) & 0xFFU;\
out[3] = (__LINE__ >> 0U) & 0xFFU;\
trace(SBUF("Line upto:"), out, 4, 1);\
}
int64_t hook(uint32_t r)
{
_g(1,1);
uint8_t ttbuf[2];
int64_t br = otxn_field(SBUF(ttbuf), sfTransactionType);
uint32_t txntype = ((uint32_t)(ttbuf[0]) << 16U) + ((uint32_t)(ttbuf[1]));
if (txntype != 99) // ttINVOKE
DONE();
// get the account id
ASSERT(otxn_field(account_field + 12, 20, sfAccount) == 20);
uint8_t hook_accid[20];
hook_account(SBUF(hook_accid));
// start of hook proper
int64_t member_count = state(0,0, SBUF(key));
TRACEVAR(member_count);
// initial execution, setup hook
if (member_count == DOESNT_EXIST)
{
etxn_reserve(INIT_MEMBER_COUNT);
// set member count
int8_t imc = INIT_MEMBER_COUNT;
ASSERT(state_set(&imc, 1, SBUF(key))); // member count is on the zero key
// set reward rate
key[0] = 0xFFU;
ASSERT(state_set(SBUF(initial_reward), SBUF(key))); // interest rate is on the the FF, 0...0 key
key[0] = 0;
for (uint32_t i = 0; GUARD(INIT_MEMBER_COUNT), i < INIT_MEMBER_COUNT; ++i)
{
key[31] = i+1;
// 0... X where X is member id started from 1
// maps to the member's account ID
// reverse key
ASSERT(state_set(initial_members + (i * 32) + 12, 20, SBUF(key)) == 20);
// 0, 0... ACCOUNT ID maps to member_id (as above)
// forward key
ASSERT(state_set(key + 31, 1, initial_members + (i * 32), 32) == 1);
// emit initial
uint8_t tx[PREPARE_PAYMENT_SIMPLE_SIZE];
PREPARE_PAYMENT_SIMPLE(tx, INIT_AMOUNT, (initial_members + (i * 32) + 12), 0, 0);
// emit the transaction
uint8_t emithash[32];
int64_t emit_result = emit(SBUF(emithash), SBUF(tx));
ASSERT(emit_result > 0);
TRACEVAR(emit_result);
}
DONE();
}
// outgoing txns allowed
if (BUFFER_EQUAL_20(hook_accid, account_field + 12))
DONE();
// otherwise a normal execution (not initial)
// first let's check if the invoking party is a member
int64_t member_id = state(0,0,SBUF(account_field));
ASSERT(member_id >= 0);
// the only thing you can do is vote for a topic
// so lets process their vote
ASSERT(otxn_slot(1) == 1);
ASSERT(slot_subfield(1, sfHookParameters, 2) == 2);
// first parameter must contain the topic as key and the topic data as value
ASSERT(slot_subarray(2, 0, 2) == 2);
ASSERT(slot_subfield(2, sfHookParameterName, 3) == 3);
ASSERT(slot_subfield(2, sfHookParameterValue, 4) == 4);
uint8_t dump[1024];
uint64_t dumpsize = slot(SBUF(dump), 4);
trace(SBUF("dump"), dump, dumpsize, 1);
int64_t topic = slot(0,0, 3) & 0xFFU; // there's a high "size" byte because it's a VL
TRACEVAR(topic);
ASSERT(topic >= 1 && topic <= 25);
uint8_t topic_data_buffer[44]; // this gives us some bytes on the front to play with to avoid buffer copies
uint8_t* topic_data = topic_data_buffer + 12;;
uint8_t topic_size =
topic == 1 ? 8 :
topic >= 2 && topic <= 5 ? 32 : 20;
// reuse account_field to record vote
account_field[0] = topic;
// read canidate from ttINVOKE parameter
ASSERT(slot(topic_data - 1, topic_size + 1, 4) == topic_size + 1);
*(topic_data - 1) = 0; // this is the size byte for the VL
// get previous vote if any on this topic (1-25)
uint8_t previous_topic_data[32];
int64_t previous_topic_size = state(previous_topic_data, topic_size, SBUF(account_field));
// write vote to voting key
ASSERT(state_set(topic_data, topic_size, SBUF(account_field)) == topic_size);
// check if the vote they're making has already been cast before,
// if it is identical to their existing vote for this topic then just end with tesSUCCESS
if (previous_topic_size == topic_size && BUFFER_EQUAL_32(previous_topic_data, topic_data))
DONE();
// execution to here means the vote is different
// we might have to decrement the old voting if they voted previously
// and we will have to increment the new voting
// decrement old counter
if (previous_topic_size > 0)
{
uint8_t votes = 0;
previous_topic_data[31] = topic;
if (state(&votes, 1, SBUF(previous_topic_data)) && votes > 0)
{
votes--;
ASSERT(state_set(&votes, 1, SBUF(previous_topic_data)));
}
}
// increment new counter
uint8_t votes = 0;
uint8_t last_byte = *(topic_data + 31);
*(topic_data + 31) = topic;
state(&votes, 1, topic_data, 32);
votes++;
ASSERT(state_set(&votes, 1, topic_data, 32));
*(topic_data + 31) = last_byte;
// set this flag if the topic data is all zeros, it's important in some cases
int topic_data_zero = BUFFER_EQUAL_32(topic_data, zero);
TRACEVAR(topic_data_zero);
TRACEVAR(votes);
TRACEVAR(member_count);
TRACEVAR(topic);
// now check if we hit threshold
if (votes == member_count || // 100% required for topics 1 - 5 (interest rate, hooks0-3)
(topic > 5 && votes >= (member_count * 0.8))) // 80% required for membership voting
{
// 100%/80% threshold as needed is reached
// action vote
TRACESTR("Actioning votes");
if (topic == 1)
{
// change reward %
key[0] = 0xFFU;
ASSERT(state_set(topic_data, 8, SBUF(key))); // interest rate is on the the FF, 0...0 key
}
else if (topic <= 5)
{
// set hook hash
uint8_t pos = topic - 2;
// first get the hook ledget object
uint8_t keylet[34];
ASSERT(util_keylet(SBUF(keylet), KEYLET_HOOK, SBUF(hook_accid), 0,0,0,0) == 34);
ASSERT(slot_set(SBUF(keylet), 5) == 5);
// now get the hooks array
ASSERT(slot_subfield(5, sfHooks, 6) == 6);
// now check the entry
if (slot_subarray(6, pos, 7) == 7)
{
// it exists
// check if its identical
uint8_t existing_hook[32];
ASSERT(slot_subfield(7, sfHookHash, 8) == 8);
ASSERT(slot(SBUF(existing_hook), 8) == 32);
// if it is then do nothing
if (BUFFER_EQUAL_32(existing_hook, topic_data))
DONE();
}
// generate the hook definition keylet
ASSERT(util_keylet(SBUF(keylet), KEYLET_HOOK_DEFINITION, topic_data, 32, 0,0,0,0) == 34);
// check if the ledger contains such a hook definition
ASSERT(slot_set(SBUF(keylet), 9) == 9);
// it does so now we can do the emit
etxn_reserve(1);
// RH UPTO: do hookset emit
uint8_t* hookhash =
topic_data_zero
? ((uint8_t*)0xFFFFFFFFU) // if the topic data is all zero then it's a delete operation
: topic_data; // otherwise it's an install operation
uint8_t* h[4] =
{
pos == 0 ? hookhash : 0,
pos == 1 ? hookhash : 0,
pos == 2 ? hookhash : 0,
pos == 3 ? hookhash : 0
};
uint8_t emit_buf[1024];
uint32_t emit_size = 0;
PREPARE_HOOKSET(emit_buf, sizeof(emit_buf), h[0], h[1], h[2], h[3], emit_size);
uint8_t emithash[32];
int64_t emit_result = emit(SBUF(emithash), emit_buf, emit_size);
TRACEVAR(emit_result);
}
else
{
// add / change member
key[31] = topic - 6;
uint8_t previous_member[32];
int previous_present = (state(previous_member + 12, 20, SBUF(key)) == 20);
if (previous_present && !topic_data_zero)
{
// we will not change member count, we're adding a member and removing a member
}
else
{
// decrement member count
ASSERT(member_count > 0); // just bail out if the last member is trying to self remove
if (previous_present)
member_count--;
else
member_count++;
ASSERT(state_set(&member_count, 1, SBUF(zero)) == 1);
}
// we need to garbage collect all their votes
if (previous_present)
{
for (int i = 1; GUARD(25), i <= 25; ++i)
{
previous_member[0] = i;
uint8_t vote_key[32];
if (state(SBUF(vote_key), SBUF(previous_member)) == 32)
{
uint8_t vote_count = 0;
if (state(&vote_count, 1, SBUF(vote_key)) == 1)
{
if (vote_count <= 1)
{
ASSERT(state_set(0,0, SBUF(vote_key)) == 0);
}
else
{
vote_count--;
ASSERT(state_set(&vote_count, 1, SBUF(vote_key)) == 1);
}
}
// delete the entry
ASSERT(state_set(0,0, SBUF(previous_member)) == 0);
}
}
}
if (!topic_data_zero)
{
// add the new member
// reverse key
key[31] = topic - 6;
ASSERT(state_set(topic_data, 20, SBUF(key)) == 20);
// forward key
ASSERT(state_set(key + 31, 1, topic_data_buffer, 32) == 20);
}
// done!
}
}
DONE();
}