- "Comment": "v23.1-204-g0401fdf",

- "Rev": "0401fdf56a3bc8679f9560e542c3d1cf83020efe"

- "Rev": "4191d8a85005844ea202fde52799681971b12dfe"

- hashRate int64

- pow.hashRate = 0

- elapsed := time.Now().UnixNano() - start

- hashes := ((float64(1e9) / float64(elapsed)) * float64(i-starti)) / 1000

- pow.hashRate = int64(hashes)

- // TODO: this needs to use an atomic operation.

- return pow.hashRate

-get_cache_size(PyObject *self, PyObject *args) {

- unsigned long block_number;

- if (!PyArg_ParseTuple(args, "k", &block_number))

- return 0;

- if (block_number >= ETHASH_EPOCH_LENGTH * 2048) {

- char error_message[1024];

- sprintf(error_message, "Block number must be less than %i (was %lu)", ETHASH_EPOCH_LENGTH * 2048, block_number);

-

- PyErr_SetString(PyExc_ValueError, error_message);

- return 0;

- }

-

- return Py_BuildValue("i", ethash_get_cachesize(block_number));

-}

-

-static PyObject *

-get_full_size(PyObject *self, PyObject *args) {

- unsigned long block_number;

- if (!PyArg_ParseTuple(args, "k", &block_number))

- return 0;

- if (block_number >= ETHASH_EPOCH_LENGTH * 2048) {

- char error_message[1024];

- sprintf(error_message, "Block number must be less than %i (was %lu)", ETHASH_EPOCH_LENGTH * 2048, block_number);

-

- PyErr_SetString(PyExc_ValueError, error_message);

- return 0;

- }

-

- return Py_BuildValue("i", ethash_get_datasize(block_number));

-}

-

-

-static PyObject *

- char *seed;

- int seed_len;

-

- if (!PyArg_ParseTuple(args, "k" PY_STRING_FORMAT, &cache_size, &seed, &seed_len))

- return 0;

- if (seed_len != 32) {

- char error_message[1024];

- sprintf(error_message, "Seed must be 32 bytes long (was %i)", seed_len);

-

- PyErr_SetString(PyExc_ValueError, error_message);

- }

- ethash_params params;

- params.cache_size = (size_t) cache_size;

- ethash_cache cache;

- cache.mem = malloc(cache_size);

- ethash_mkcache(&cache, &params, (ethash_h256_t *) seed);

- PyObject * val = Py_BuildValue(PY_STRING_FORMAT, cache.mem, cache_size);

- free(cache.mem);

-

-}

- unsigned long full_size;

- if (!PyArg_ParseTuple(args, "k" PY_STRING_FORMAT PY_STRING_FORMAT "K", &full_size, &cache_bytes, &cache_size, &header, &header_size, &nonce))

- return 0;

- if (full_size % MIX_WORDS != 0) {

- char error_message[1024];

- sprintf(error_message, "The size of data set must be a multiple of %i bytes (was %lu)", MIX_WORDS, full_size);

- PyErr_SetString(PyExc_ValueError, error_message);

- return 0;

- }

- if (cache_size % ETHASH_HASH_BYTES != 0) {

- char error_message[1024];

- sprintf(error_message, "The size of the cache must be a multiple of %i bytes (was %i)", ETHASH_HASH_BYTES, cache_size);

- PyErr_SetString(PyExc_ValueError, error_message);

- }

-

- ethash_return_value out;

- ethash_params params;

- params.cache_size = (size_t) cache_size;

- params.full_size = (size_t) full_size;

- ethash_cache cache;

- cache.mem = (void *) cache_bytes;

- ethash_light(&out, &cache, &params, (ethash_h256_t *) header, nonce);

-

- {"get_cache_size", get_cache_size, METH_VARARGS,

- "get_cache_size(block_number)\n\n"

- "Get the cache size for a given block number\n"

- "\nExample:\n"

- ">>> get_cache_size(0)\n"

- "1048384"},

- {"get_full_size", get_full_size, METH_VARARGS,

- "get_full_size(block_number)\n\n"

- "Get the full size for a given block number\n"

- "\nExample:\n"

- ">>> get_full_size(0)\n"

- "1073739904"

- },

- "mkcache_bytes(size, header)\n\n"

- "Makes a byte array for the cache for given cache size and seed hash\n"

- "\nExample:\n"

- ">>> pyethash.mkcache_bytes( 1024, \"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\").encode('hex')"

- "\"2da2b506f21070e1143d908e867962486d6b0a02e31d468fd5e3a7143aafa76a14201f63374314e2a6aaf84ad2eb57105dea3378378965a1b3873453bb2b78f9a8620b2ebeca41fbc773bb837b5e724d6eb2de570d99858df0d7d97067fb8103b21757873b735097b35d3bea8fd1c359a9e8a63c1540c76c9784cf8d975e995ca8620b2ebeca41fbc773bb837b5e724d6eb2de570d99858df0d7d97067fb8103b21757873b735097b35d3bea8fd1c359a9e8a63c1540c76c9784cf8d975e995ca8620b2ebeca41fbc773bb837b5e724d6eb2de570d99858df0d7d97067fb8103b21757873b735097b35d3bea8fd1c359a9e8a63c1540c76c9784cf8d975e995c259440b89fa3481c2c33171477c305c8e1e421f8d8f6d59585449d0034f3e421808d8da6bbd0b6378f567647cc6c4ba6c434592b198ad444e7284905b7c6adaf70bf43ec2daa7bd5e8951aa609ab472c124cf9eba3d38cff5091dc3f58409edcc386c743c3bd66f92408796ee1e82dd149eaefbf52b00ce33014a6eb3e50625413b072a58bc01da28262f42cbe4f87d4abc2bf287d15618405a1fe4e386fcdafbb171064bd99901d8f81dd6789396ce5e364ac944bbbd75a7827291c70b42d26385910cd53ca535ab29433dd5c5714d26e0dce95514c5ef866329c12e958097e84462197c2b32087849dab33e88b11da61d52f9dbc0b92cc61f742c07dbbf751c49d7678624ee60dfbe62e5e8c47a03d8247643f3d16ad8c8e663953bcda1f59d7e2d4a9bf0768e789432212621967a8f41121ad1df6ae1fa78782530695414c6213942865b2730375019105cae91a4c17a558d4b63059661d9f108362143107babe0b848de412e4da59168cce82bfbff3c99e022dd6ac1e559db991f2e3f7bb910cefd173e65ed00a8d5d416534e2c8416ff23977dbf3eb7180b75c71580d08ce95efeb9b0afe904ea12285a392aff0c8561ff79fca67f694a62b9e52377485c57cc3598d84cac0a9d27960de0cc31ff9bbfe455acaa62c8aa5d2cce96f345da9afe843d258a99c4eaf3650fc62efd81c7b81cd0d534d2d71eeda7a6e315d540b4473c80f8730037dc2ae3e47b986240cfc65ccc565f0d8cde0bc68a57e39a271dda57440b3598bee19f799611d25731a96b5dbbbefdff6f4f656161462633030d62560ea4e9c161cf78fc96a2ca5aaa32453a6c5dea206f766244e8c9d9a8dc61185ce37f1fc804459c5f07434f8ecb34141b8dcae7eae704c950b55556c5f40140c3714b45eddb02637513268778cbf937a33e4e33183685f9deb31ef54e90161e76d969587dd782eaa94e289420e7c2ee908517f5893a26fdb5873d68f92d118d4bcf98d7a4916794d6ab290045e30f9ea00ca547c584b8482b0331ba1539a0f2714fddc3a0b06b0cfbb6a607b8339c39bcfd6640b1f653e9d70ef6c985b\""},

- {"calc_dataset_bytes", calc_dataset_bytes, METH_VARARGS,

- "Makes a byte array for the dataset for a given size given cache bytes"},

- "hashimoto_light(full_size, cache_bytes, header, nonce)\n\n"

- {"hashimoto_full", hashimoto_full, METH_VARARGS,

- "Mine for an adequate header. Returns an object containing the mix digest (byte array), hash result (another byte array) and nonce (an int)."},