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blockchain: moved chainwork to blockindex #213

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merged 2 commits into from
Aug 27, 2024
Merged

blockchain: moved chainwork to blockindex #213

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5fb26c2
blockchain: moved chainwork to blockindex
edtubbs Mar 22, 2024
ddac774
headersdb_file: added chainwork to database record
edtubbs May 16, 2024
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1 change: 1 addition & 0 deletions CMakeLists.txt
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Expand Up @@ -303,6 +303,7 @@ IF(USE_TESTS)
TARGET_SOURCES(tests ${visibility}
test/address_tests.c
test/aes_tests.c
test/arith_uint256_tests.c
test/base58_tests.c
test/bip32_tests.c
test/bip39_tests.c
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1 change: 1 addition & 0 deletions Makefile.am
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Expand Up @@ -180,6 +180,7 @@ if USE_TESTS
noinst_PROGRAMS += tests
tests_LDADD = libdogecoin.la $(ASM_LIB_FILES)
tests_SOURCES = \
test/arith_uint256_tests.c \
test/address_tests.c \
test/aes_tests.c \
test/base58_tests.c \
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2 changes: 2 additions & 0 deletions include/dogecoin/arith_uint256.h
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Expand Up @@ -53,6 +53,8 @@ typedef base_uint_ arith_uint256;

void arith_negate(arith_uint256* input);
arith_uint256* init_arith_uint256();
void arith_shift_left(arith_uint256* input, unsigned int shift);
void arith_shift_right(arith_uint256* input, unsigned int shift);
arith_uint256* set_compact(arith_uint256* hash, uint32_t compact, dogecoin_bool *pf_negative, dogecoin_bool *pf_overflow);
uint8_t* arith_to_uint256(const arith_uint256* a);
arith_uint256* uint_to_arith(const uint256* a);
Expand Down
5 changes: 2 additions & 3 deletions include/dogecoin/block.h
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Expand Up @@ -55,7 +55,6 @@ typedef struct dogecoin_block_header_ {
uint32_t bits;
uint32_t nonce;
auxpow auxpow[1];
uint256 chainwork;
} dogecoin_block_header;

typedef struct dogecoin_auxpow_block_ {
Expand All @@ -75,8 +74,8 @@ LIBDOGECOIN_API dogecoin_block_header* dogecoin_block_header_new();
LIBDOGECOIN_API void dogecoin_block_header_free(dogecoin_block_header* header);
LIBDOGECOIN_API dogecoin_auxpow_block* dogecoin_auxpow_block_new();
LIBDOGECOIN_API void dogecoin_auxpow_block_free(dogecoin_auxpow_block* block);
LIBDOGECOIN_API int dogecoin_block_header_deserialize(dogecoin_block_header* header, struct const_buffer* buf, const dogecoin_chainparams *params);
LIBDOGECOIN_API int deserialize_dogecoin_auxpow_block(dogecoin_auxpow_block* block, struct const_buffer* buffer, const dogecoin_chainparams *params);
LIBDOGECOIN_API int dogecoin_block_header_deserialize(dogecoin_block_header* header, struct const_buffer* buf, const dogecoin_chainparams *params, uint256* chainwork);
LIBDOGECOIN_API int deserialize_dogecoin_auxpow_block(dogecoin_auxpow_block* block, struct const_buffer* buffer, const dogecoin_chainparams *params, uint256* chainwork);
LIBDOGECOIN_API void dogecoin_block_header_serialize(cstring* s, const dogecoin_block_header* header);
LIBDOGECOIN_API void dogecoin_block_header_copy(dogecoin_block_header* dest, const dogecoin_block_header* src);
LIBDOGECOIN_API dogecoin_bool dogecoin_block_header_hash(dogecoin_block_header* header, uint256 hash);
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1 change: 1 addition & 0 deletions include/dogecoin/blockchain.h
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Expand Up @@ -40,6 +40,7 @@ LIBDOGECOIN_BEGIN_DECL
typedef struct dogecoin_blockindex {
uint32_t height;
uint256 hash;
uint256 chainwork;
dogecoin_block_header header;
struct dogecoin_blockindex* prev;
} dogecoin_blockindex;
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6 changes: 4 additions & 2 deletions include/dogecoin/chainparams.h
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Expand Up @@ -47,11 +47,13 @@ typedef struct dogecoin_chainparams_ {
uint32_t b58prefix_bip32_pubkey;
const unsigned char netmagic[4];
uint256 genesisblockhash;
uint256 genesisblockchainwork;
int default_port;
dogecoin_dns_seed dnsseeds[8];
dogecoin_bool strict_id;
dogecoin_bool auxpow_id;
uint256 pow_limit;
uint256 minimumchainwork;
} dogecoin_chainparams;

typedef struct dogecoin_checkpoint_ {
Expand All @@ -66,8 +68,8 @@ extern const dogecoin_chainparams dogecoin_chainparams_test;
extern const dogecoin_chainparams dogecoin_chainparams_regtest;

// the mainnet checkpoints, needs a fix size
extern const dogecoin_checkpoint dogecoin_mainnet_checkpoint_array[22];
extern const dogecoin_checkpoint dogecoin_testnet_checkpoint_array[18];
extern const dogecoin_checkpoint dogecoin_mainnet_checkpoint_array[23];
extern const dogecoin_checkpoint dogecoin_testnet_checkpoint_array[19];

LIBDOGECOIN_API const dogecoin_chainparams* chain_from_b58_prefix(const char* address);
LIBDOGECOIN_API int chain_from_b58_prefix_bool(char* address);
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2 changes: 1 addition & 1 deletion include/dogecoin/headersdb.h
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Expand Up @@ -52,7 +52,7 @@ typedef struct dogecoin_headers_db_interface_
dogecoin_blockindex* (*getchaintip)(void *db);
dogecoin_bool (*disconnect_tip)(void *db);
dogecoin_bool (*has_checkpoint_start)(void *db);
void (*set_checkpoint_start)(void *db, uint256 hash, uint32_t height);
void (*set_checkpoint_start)(void *db, uint256 hash, uint32_t height, uint256 chainwork);
} dogecoin_headers_db_interface;

LIBDOGECOIN_END_DECL
Expand Down
4 changes: 2 additions & 2 deletions include/dogecoin/headersdb_file.h
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Expand Up @@ -63,7 +63,7 @@ dogecoin_blockindex * dogecoin_headersdb_find(dogecoin_headers_db* db, uint256 h
dogecoin_blockindex * dogecoin_headersdb_getchaintip(dogecoin_headers_db* db);
dogecoin_bool dogecoin_headersdb_disconnect_tip(dogecoin_headers_db* db);
dogecoin_bool dogecoin_headersdb_has_checkpoint_start(dogecoin_headers_db* db);
void dogecoin_headersdb_set_checkpoint_start(dogecoin_headers_db* db, uint256 hash, uint32_t height);
void dogecoin_headersdb_set_checkpoint_start(dogecoin_headers_db* db, uint256 hash, uint32_t height, uint256 chainwork);

static const dogecoin_headers_db_interface dogecoin_headers_db_interface_file = {
(void* (*)(const dogecoin_chainparams*, dogecoin_bool))dogecoin_headers_db_new,
Expand All @@ -74,7 +74,7 @@ static const dogecoin_headers_db_interface dogecoin_headers_db_interface_file =
(dogecoin_blockindex* (*)(void *))dogecoin_headersdb_getchaintip,
(dogecoin_bool (*)(void *))dogecoin_headersdb_disconnect_tip,
(dogecoin_bool (*)(void *))dogecoin_headersdb_has_checkpoint_start,
(void (*)(void *, uint256, uint32_t))dogecoin_headersdb_set_checkpoint_start
(void (*)(void *, uint256, uint32_t, uint256))dogecoin_headersdb_set_checkpoint_start
};

LIBDOGECOIN_END_DECL
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2 changes: 1 addition & 1 deletion include/dogecoin/validation.h
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Expand Up @@ -45,7 +45,7 @@ LIBDOGECOIN_BEGIN_DECL
LIBDOGECOIN_API uint32_t get_chainid(uint32_t version);
LIBDOGECOIN_API dogecoin_bool is_auxpow(uint32_t version);
LIBDOGECOIN_API dogecoin_bool is_legacy(uint32_t version);
LIBDOGECOIN_API dogecoin_bool check_auxpow(dogecoin_auxpow_block* block, dogecoin_chainparams* params);
LIBDOGECOIN_API dogecoin_bool check_auxpow(dogecoin_auxpow_block* block, dogecoin_chainparams* params, uint256* chainwork);
LIBDOGECOIN_API dogecoin_bool dogecoin_block_header_scrypt_hash(cstring* s, uint256* hash);

LIBDOGECOIN_END_DECL
Expand Down
26 changes: 16 additions & 10 deletions src/arith_uint256.c
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Expand Up @@ -88,9 +88,9 @@ arith_uint256* set_compact(arith_uint256* hash, uint32_t compact, dogecoin_bool
uint32_t word = compact & 0x007fffff;
if (size <= 3) {
word >>= 8 * (3 - size);
memcpy_safe(&hash->pn[0], &word, sizeof word);
hash->pn[0] = word;
} else {
memcpy_safe(&hash->pn[0], &word, sizeof word);
hash->pn[0] = word;
arith_shift_left(hash, 8 * (size - 3));
}
if (pf_negative) *pf_negative = word != 0 && (compact & 0x00800000) != 0;
Expand Down Expand Up @@ -152,21 +152,27 @@ arith_uint256* div_arith_uint256(arith_uint256* a, arith_uint256* b) {
arith_uint256* add_arith_uint256(arith_uint256* a, arith_uint256* b) {
arith_uint256* result = init_arith_uint256();
uint64_t carry = 0;
for (int i = WIDTH - 1; i >= 0; i--) {
for (int i = 0; i < WIDTH; i++) {
uint64_t sum = (uint64_t)a->pn[i] + b->pn[i] + carry;
result->pn[i] = sum; // This will only keep the lower 32 bits
carry = sum >> 32; // This will keep the upper 32 bits (carry)
result->pn[i] = (uint32_t)sum; // This will only keep the lower 32 bits
carry = sum >> 32; // Carry is the upper 32 bits
}
return result;
}

arith_uint256* sub_arith_uint256(arith_uint256* a, arith_uint256* b) {
if (arith_uint256_less_than(a, b)) {
// Handle underflow if necessary
return NULL;
}
arith_uint256* result = init_arith_uint256();
int64_t carry = 0;
for (int i = WIDTH - 1; i >= 0; i--) {
int64_t diff = (uint64_t)a->pn[i] - b->pn[i] - carry;
result->pn[i] = diff; // This will only keep the lower 32 bits
carry = (diff < 0) ? 1 : 0; // If diff is negative, there's a borrow
uint64_t borrow = 0;
for (int i = 0; i < WIDTH; i++) {
uint64_t diff = (uint64_t)a->pn[i] - b->pn[i] - borrow;
result->pn[i] = (uint32_t)diff; // Keep only lower 32 bits
// If diff is less than zero when interpreted as signed, there's a borrow.
// Note: This checks the high bit of the 64-bit diff calculation for borrow.
borrow = (diff > (uint64_t)UINT32_MAX) ? 1 : 0;
}
return result;
}
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11 changes: 5 additions & 6 deletions src/block.c
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Expand Up @@ -168,7 +168,6 @@ dogecoin_block_header* dogecoin_block_header_new() {
header->auxpow->check = check;
header->auxpow->ctx = header;
header->auxpow->is = false;
dogecoin_mem_zero(&header->chainwork, DOGECOIN_HASH_LENGTH);
return header;
}

Expand Down Expand Up @@ -310,10 +309,11 @@ void print_block(dogecoin_auxpow_block* block) {
* @param header The header object to be constructed.
* @param buf The buffer to deserialize from.
* @param params The chain parameters.
* @param chainwork The computed chainwork.
*
* @return 1 if deserialization was successful, 0 otherwise.
*/
int dogecoin_block_header_deserialize(dogecoin_block_header* header, struct const_buffer* buf, const dogecoin_chainparams *params) {
int dogecoin_block_header_deserialize(dogecoin_block_header* header, struct const_buffer* buf, const dogecoin_chainparams *params, uint256* chainwork) {
dogecoin_auxpow_block* block = dogecoin_auxpow_block_new();
if (!deser_s32(&block->header->version, buf))
return false;
Expand All @@ -329,7 +329,7 @@ int dogecoin_block_header_deserialize(dogecoin_block_header* header, struct cons
return false;
dogecoin_block_header_copy(header, block->header);
if ((block->header->version & 0x100) != 0 && buf->len) {
if (!deserialize_dogecoin_auxpow_block(block, buf, params)) {
if (!deserialize_dogecoin_auxpow_block(block, buf, params, chainwork)) {
printf("%s:%d:%s:%s\n", __FILE__, __LINE__, __func__, strerror(errno));
return false;
}
Expand All @@ -339,7 +339,7 @@ int dogecoin_block_header_deserialize(dogecoin_block_header* header, struct cons
return true;
}

int deserialize_dogecoin_auxpow_block(dogecoin_auxpow_block* block, struct const_buffer* buffer, const dogecoin_chainparams *params) {
int deserialize_dogecoin_auxpow_block(dogecoin_auxpow_block* block, struct const_buffer* buffer, const dogecoin_chainparams *params, uint256* chainwork) {
if (buffer->len > DOGECOIN_MAX_P2P_MSG_SIZE) {
return printf("\ntransaction is invalid or to large.\n\n");
}
Expand Down Expand Up @@ -428,7 +428,7 @@ int deserialize_dogecoin_auxpow_block(dogecoin_auxpow_block* block, struct const
return false;
}

if (!check_auxpow(block, (dogecoin_chainparams*)params)) {
if (!check_auxpow(block, (dogecoin_chainparams*)params, chainwork)) {
printf("check_auxpow failed!\n");
return false;
}
Expand Down Expand Up @@ -473,7 +473,6 @@ void dogecoin_block_header_copy(dogecoin_block_header* dest, const dogecoin_bloc
dest->auxpow->check = src->auxpow->check;
dest->auxpow->ctx = src->auxpow->ctx;
dest->auxpow->is = src->auxpow->is;
memcpy_safe(&dest->chainwork, &src->chainwork, sizeof(src->chainwork));
}

/**
Expand Down
18 changes: 13 additions & 5 deletions src/chainparams.c
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Expand Up @@ -39,11 +39,13 @@ const dogecoin_chainparams dogecoin_chainparams_main = {
0x02facafd, // starts with dgub
{0xc0, 0xc0, 0xc0, 0xc0}, // pch msg prefixes (magic bytes)
{0x91, 0x56, 0x35, 0x2c, 0x18, 0x18, 0xb3, 0x2e, 0x90, 0xc9, 0xe7, 0x92, 0xef, 0xd6, 0xa1, 0x1a, 0x82, 0xfe, 0x79, 0x56, 0xa6, 0x30, 0xf0, 0x3b, 0xbe, 0xe2, 0x36, 0xce, 0xda, 0xe3, 0x91, 0x1a},
{0x10, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
22556,
{{"seed.multidoge.org"}, {{1}}},
true,
0x0062,
{0x00, 0x00, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff} // pow limit
{0x00, 0x00, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, // pow limit
{0x9b, 0xa4, 0x46, 0xf2, 0x6c, 0xa8, 0x2a, 0x3d, 0x99, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
};

const dogecoin_chainparams dogecoin_chainparams_test = {
Expand All @@ -56,11 +58,13 @@ const dogecoin_chainparams dogecoin_chainparams_test = {
0x043587cf, // starts with tpub
{0xfc, 0xc1, 0xb7, 0xdc}, // pch msg prefixes (magic bytes)
{0x9e, 0x55, 0x50, 0x73, 0xd0, 0xc4, 0xf3, 0x64, 0x56, 0xdb, 0x89, 0x51, 0xf4, 0x49, 0x70, 0x4d, 0x54, 0x4d, 0x28, 0x26, 0xd9, 0xaa, 0x60, 0x63, 0x6b, 0x40, 0x37, 0x46, 0x26, 0x78, 0x0a, 0xbb},
{0x10, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
44556,
{{"testseed.jrn.me.uk"}, {{0}}},
false,
0x0062,
{0x00, 0x00, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff} // pow limit
{0x00, 0x00, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, // pow limit
{0x26, 0x9a, 0xff, 0x62, 0x2f, 0x0f, 0x54, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
};

const dogecoin_chainparams dogecoin_chainparams_regtest = {
Expand All @@ -73,11 +77,13 @@ const dogecoin_chainparams dogecoin_chainparams_regtest = {
0x043587cf, // starts with tpub
{0xfa, 0xbf, 0xb5, 0xda}, // pch msg prefixes (magic bytes)
{0xa5, 0x73, 0xe9, 0x1c, 0x17, 0x72, 0x07, 0x6c, 0x0d, 0x40, 0xf7, 0x0e, 0x44, 0x08, 0xc8, 0x3a, 0x31, 0x70, 0x5f, 0x29, 0x6a, 0xe6, 0xe7, 0x62, 0x9d, 0x4a, 0xdc, 0xb5, 0xa3, 0x60, 0x21, 0x3d},
{0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
18332,
{{"testseed.jrn.me.uk"}, {{0}}},
true,
0x0062,
{0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff} // pow limit
{0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, // pow limit
{0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
};

const dogecoin_checkpoint dogecoin_mainnet_checkpoint_array[] = {
Expand All @@ -102,7 +108,8 @@ const dogecoin_checkpoint dogecoin_mainnet_checkpoint_array[] = {
{3606083, "954c7c66dee51f0a3fb1edb26200b735f5275fe54d9505c76ebd2bcabac36f1e", 1613218169, 0x1a03d764},
{3854173, "e4b4ecda4c022406c502a247c0525480268ce7abbbef632796e8ca1646425e75", 1628934997, 0x1a03ca36},
{3963597, "2b6927cfaa5e82353d45f02be8aadd3bfd165ece5ce24b9bfa4db20432befb5d", 1635884460, 0x1a037bc9},
{4303965, "ed7d266dcbd8bb8af80f9ccb8deb3e18f9cc3f6972912680feeb37b090f8cee0", 1657646310, 0x1a0344f5}};
{4303965, "ed7d266dcbd8bb8af80f9ccb8deb3e18f9cc3f6972912680feeb37b090f8cee0", 1657646310, 0x1a0344f5},
{5050000, "e7d4577405223918491477db725a393bcfc349d8ee63b0a4fde23cbfbfd81dea", 1705383360, 0x1a019541}};

const dogecoin_checkpoint dogecoin_testnet_checkpoint_array[] = {
{0, "bb0a78264637406b6360aad926284d544d7049f45189db5664f3c4d07350559e", 1391503289, 0x1e0ffff0},
Expand All @@ -122,7 +129,8 @@ const dogecoin_checkpoint dogecoin_testnet_checkpoint_array[] = {
{3062910, "113c41c00934f940a41f99d18b2ad9aefd183a4b7fe80527e1e6c12779bd0246", 1613218844, 0x1e0e2221},
{3286675, "07fef07a255d510297c9189dc96da5f4e41a8184bc979df8294487f07fee1cf3", 1628932841, 0x1e0fffff},
{3445426, "70574db7856bd685abe7b0a8a3e79b29882620645bd763b01459176bceb58cd1", 1635884611, 0x1e0fffff},
{3976284, "af23c3e750bb4f2ce091235f006e7e4e2af453d4c866282e7870471dcfeb4382", 1657646588, 0x1e0fffff}};
{3976284, "af23c3e750bb4f2ce091235f006e7e4e2af453d4c866282e7870471dcfeb4382", 1657646588, 0x1e0fffff},
{5900000, "199bea6a442310589cbb50a193a30b097c228bd5a0f21af21e4e53dd57c382d3", 1703511130, 0x1e0fffff}};

const dogecoin_chainparams* chain_from_b58_prefix(const char* address) {
/* determine address prefix for network chainparams */
Expand Down
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