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Monero-style emission

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DcruBro
2026-03-29 23:30:31 +02:00
parent 0d7adc39e0
commit 50e357d8a2
6 changed files with 106 additions and 184 deletions
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6
include/block/chain.h
View File

@@ -7,6 +7,8 @@
#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#include <constants.h>
#include <uint256.h>
typedef struct {
DynArr* blocks;
@@ -22,7 +24,7 @@ bool Chain_IsValid(blockchain_t* chain);
void Chain_Wipe(blockchain_t* chain);
// I/O
bool Chain_SaveToFile(blockchain_t* chain, const char* dirpath);
bool Chain_LoadFromFile(blockchain_t* chain, const char* dirpath);
bool Chain_SaveToFile(blockchain_t* chain, const char* dirpath, uint256_t currentSupply);
bool Chain_LoadFromFile(blockchain_t* chain, const char* dirpath, uint256_t* outCurrentSupply);
#endif

19
include/constants.h
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@@ -7,21 +7,24 @@
#define DECIMALS 1000000000000ULL
#define EMISSION_SPEED_FACTOR 20
const uint64_t M_CAP = 18446744073709551615ULL; // Max uint64
const uint64_t TAIL_EMISSION = (uint64_t)(1.0 * DECIMALS); // Emission floor is 1.0 coins per block
static const uint64_t M_CAP = 18446744073709551615ULL; // Max uint64
static const uint64_t TAIL_EMISSION = DECIMALS; // Emission floor is 1.0 coins per block
// No max supply. Instead of halving, it'll follow a more gradual, Monero-like emission curve.
static uint256_t currentSupply = {{0, 0, 0, 0}}; // Global variable to track total supply; updated with each block mined
static inline uint64_t CalculateBlockReward(uint256_t currentSupply, uint64_t height) {
// Inclusive of block 0
(void)height;
if (current_supply.limbs[1] > 0 ||
current_supply.limbs[2] > 0 ||
current_supply.limbs[3] > 0 ||
current_supply.limbs[0] >= M_CAP) {
if (currentSupply.limbs[1] > 0 ||
currentSupply.limbs[2] > 0 ||
currentSupply.limbs[3] > 0 ||
currentSupply.limbs[0] >= M_CAP) {
return TAIL_EMISSION;
}
uint64_t supply_64 = current_supply.limbs[0];
uint64_t supply_64 = currentSupply.limbs[0];
// Formula: (M - Supply) >> 2^k - lifted from Monero's codebase (thanks guys!)
uint64_t reward = (M_CAP - supply_64) >> EMISSION_SPEED_FACTOR;
@@ -34,4 +37,4 @@ static inline uint64_t CalculateBlockReward(uint256_t currentSupply, uint64_t he
return reward;
}
#endif
#endif

2
include/randomx/librx_wrapper.h
View File

@@ -18,4 +18,4 @@ void RandomX_CalculateHash(const uint8_t* input, size_t inputLen, uint8_t* outpu
}
#endif
#endif
#endif

2
include/uint256.h
View File

@@ -55,4 +55,4 @@ static inline bool uint256_add(uint256_t* a, const uint256_t* b) {
return carry > 0;
}
#endif
#endif