{"ok":true,"schema_version":1,"data":{"schema_version":1,"ref":"8694466","block_number":null,"extrinsic_count":14,"limit":50,"offset":0,"extrinsics":[{"block_number":8694466,"extrinsic_index":13,"extrinsic_hash":"0x9642220edd719d667cd43cccc910ca9ff61be761699bc2edfd9817e95ef452cf","signer":"5EU3KeumYwJ3CoyNrc1TRqtaRXERvoEQi7GSq4dujohbfMy9","call_module":"Utility","call_function":"batch","call_args":[{"name":"calls","type":"Vec<RuntimeCall>","value":[{"call_module":"SubtensorModule","call_function":"add_stake_limit","call_args":{"hotkey":"5DUB6cjNko11gLfmpJM4bzgM4SXuva4xBSDS2Wqvrtk51UmE","netuid":"0x00","limit_price":990000000,"allow_partial":true,"amount_staked":1000000000}}]}],"success":true,"fee_tao":0.001518175,"tip_tao":0,"observed_at":"2026-07-24T21:49:36.000Z","summary":"5EU3Ke…hbfMy9 submitted a batch of 1 call: 5EU3Ke…hbfMy9 staked 1.00 τ to 5DUB6c…k51UmE on SN0."},{"block_number":8694466,"extrinsic_index":12,"extrinsic_hash":"0xe259cba6c9dde70591ab83b0ccde49d5d7f4b74ce2ddee4d06c35084ebbddbab","signer":"5FxUyQyKLLMeyqFabcWn7ddCHTXV24CB1Yppkj1nLcFCGtkj","call_module":"SubtensorModule","call_function":"commit_timelocked_mechanism_weights","call_args":[{"name":"netuid","type":"NetUid","value":89},{"name":"mecid","type":"MechId","value":1},{"name":"commit","type":"BoundedVec<u8, _>","value":"0x8d1d0a1fe84d0dacbd6da8f5664d06756907d17b40243f263e5936eb60baed08a6441618db94642127b372fd22a3b22007eb0e4ac9dc55f1516ac24744b2e1bfa26b844c79325455f3595b59a72d1797df912998d96f5c146d8b8f5fe391b3b82000000000000000bc3f75bad2154b871ac08d02c0bad237b39ec15ead374b21f217790d3d41ead820000000000000009a6ef4e8778a1f27354ececd86c20ab94549523839794b7d9fdec16ae8da50615b000000000000003f000000000000000b6b85d9934e7ffd17b51db1ddeb77414fdcc0eeca0e495d3a692db2a91fb24b42542c645b42879e4d96e45970a0b2d21bf6216c00317951675d40787b0d5a0c000000000000005328259316d909d8af8d084008000000000000004145535f47434d5f"},{"name":"reveal_round","type":"u64","value":30709333},{"name":"commit_reveal_version","type":"u16","value":4}],"success":false,"fee_tao":0,"tip_tao":0,"observed_at":"2026-07-24T21:49:36.000Z","summary":"5FxUyQ…FCGtkj committed time-locked weights for SN89, revealing at round 30,709,333."},{"block_number":8694466,"extrinsic_index":11,"extrinsic_hash":"0x204e77fc42ceaa0ce8844fc99cce73100b72b3859840f74402cb297ec0fba467","signer":"5GjPMb2SLrPef6aQ6rEqFvAfNJiDxtG5NfqkWnRNqVFroo9U","call_module":"SubtensorModule","call_function":"burned_register","call_args":[{"name":"netuid","type":"NetUid","value":79},{"name":"hotkey","type":"AccountId32","value":"5DXLqnCRvKnhHTpcEDnpRC51iPauZdBQJfK1oQ3aWne3rZ8Y"}],"success":true,"fee_tao":0.02681472,"tip_tao":0,"observed_at":"2026-07-24T21:49:36.000Z","summary":null},{"block_number":8694466,"extrinsic_index":10,"extrinsic_hash":"0xeed58c0247c7ad04ec4e443daf2feaa9dff54ba93b352b32a168b59f98f28823","signer":"5EFZkongQJKrVsz9rABvA6prxB7reNXGSpwqi69vTtmQm3jo","call_module":"SubtensorModule","call_function":"commit_timelocked_mechanism_weights","call_args":[{"name":"netuid","type":"NetUid","value":12},{"name":"mecid","type":"MechId","value":0},{"name":"commit","type":"BoundedVec<u8, _>","value":"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"},{"name":"reveal_round","type":"u64","value":30712528},{"name":"commit_reveal_version","type":"u16","value":4}],"success":false,"fee_tao":0,"tip_tao":0,"observed_at":"2026-07-24T21:49:36.000Z","summary":"5EFZko…mQm3jo committed time-locked weights for SN12, revealing at round 30,712,528."},{"block_number":8694466,"extrinsic_index":9,"extrinsic_hash":"0xa4dd14b2556ab09972507e1d22e6082ae1ebbe3b2e8de1021d45a4ad8e7b942b","signer":"5Hjbf5s2Cb4xuYGLKUGVEkwQrMpSMYvnatJxVenMnjodtEKi","call_module":"SubtensorModule","call_function":"commit_timelocked_mechanism_weights","call_args":[{"name":"netuid","type":"NetUid","value":12},{"name":"mecid","type":"MechId","value":0},{"name":"commit","type":"BoundedVec<u8, _>","value":"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"},{"name":"reveal_round","type":"u64","value":30712528},{"name":"commit_reveal_version","type":"u16","value":4}],"success":false,"fee_tao":0,"tip_tao":0,"observed_at":"2026-07-24T21:49:36.000Z","summary":"5Hjbf5…odtEKi committed time-locked weights for SN12, revealing at round 30,712,528."},{"block_number":8694466,"extrinsic_index":8,"extrinsic_hash":"0x5c827736d02c251a963ff2b180b00494f89a4f8256335ccc5cc2eace6fe08c15","signer":null,"call_module":"Ethereum","call_function":"transact","call_args":[{"name":"transaction","type":"TransactionV3","value":{"EIP1559":{"input":[31,100,204,67,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,132,170,194,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,67,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,224,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,96,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,224,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,32,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,84,0,0,0,0,6,102,209,188,0,2,19,177,16,0,0,100,254,226,200,31,188,18,132,251,82,130,120,152,16,32,241,251,137,68,106,73,229,87,72,120,28,198,236,12,49,204,7,0,5,4,0,73,42,247,128,175,154,87,67,194,165,35,73,139,128,0,110,147,130,186,131,246,146,28,42,157,95,8,152,13,244,149,87,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,84,0,0,0,0,8,74,103,223,0,2,19,177,16,0,0,112,128,118,32,49,206,198,80,49,119,95,6,172,41,249,234,115,81,22,140,148,187,23,174,55,126,168,159,110,66,140,18,0,5,4,0,73,42,247,128,175,154,87,67,194,165,35,73,139,128,0,110,147,130,186,131,246,146,28,42,157,95,8,152,13,244,149,87,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,101,236,38,183,14,96,14,35,137,173,34,55,28,116,49,84,239,199,64,52,87,90,53,14,86,43,102,72,35,176,2,220,106,167,49,113,124,0,30,14,31,138,32,206,32,236,50,185,56,21,9,168,31,254,64,96,35,124,36,125,6,253,30,0,62,161,135,132,32,97,4,52,33,32,17,241,68,36,10,16,53,252,33,9,56,49,236,195,27,235,42,229,5,91,47,106,13,105,44,84,241,147,74,114,109,220,35,137,28,162,204,164,8,0,4,71,22,17,29,179,36,250,119,253,61,90,67,225,27,24,37,120,14,125,161,125,19,197,4,49,21,16,29,91,28,46,28,195,118,230,4,246,50,172,5,107,41,101,6,77,81,163,7,123,36,17,6,68,52,3,2,198,6,250,25,93,27,54,3,237,15,143,4,185,65,226,10,47,115,77,13,212,38,123,21,249,3,220,12,81,16,61,13,57,15,195,25,98,19,129,31,70,56,123,7,236,5,241,22,38,25,54,18,14,8,161,18,164,17,132,11,172,13,97,26,42,15,241,48,89,26,161,7,45,26,81,45,50,23,241,11,129,14,204,18,59],"nonce":"597362","value":"0","action":{"Call":"0x94c262216a8111d208433ad48fcdc05831d60afb"},"chain_id":964,"gas_limit":"400000","signature":{"r":"0xfa60ed69ceba6a4b85cff68398e3e1251395fd25cb73310977118dfa8564abdf","s":"0x5e2c97a6a3eeb53443868257feb7175160974a799cd2d91dfc8cbd64bae627fd","odd_y_parity":false},"access_list":[],"max_fee_per_gas":"10000000000","max_priority_fee_per_gas":"0","precompile_call":null}}}],"success":true,"fee_tao":null,"tip_tao":null,"observed_at":"2026-07-24T21:49:36.000Z","summary":"Submitted an EVM transaction."},{"block_number":8694466,"extrinsic_index":7,"extrinsic_hash":"0x48547b82959aaa4aae7f33eb138a53ccc53e77280a26bc805e2534dc1c634412","signer":null,"call_module":"Ethereum","call_function":"transact","call_args":[{"name":"transaction","type":"TransactionV3","value":{"EIP1559":{"input":[97,70,25,84],"nonce":"137985","value":"0","action":{"Call":"0xe234db40a0b8c7651f4a60a0ed56f249bb24d64f"},"chain_id":964,"gas_limit":"500000","signature":{"r":"0xfdb8d1064b433c4010698ea95109fee4d6ce57d689de3ba24a1a655f9f1c7daf","s":"0x0304fb1edf302be150502459d06d3dde11acfc17c75727d56d5ca1077903ea46","odd_y_parity":true},"access_list":[],"max_fee_per_gas":"10000000000","max_priority_fee_per_gas":"0","precompile_call":null}}}],"success":true,"fee_tao":null,"tip_tao":null,"observed_at":"2026-07-24T21:49:36.000Z","summary":"Submitted an EVM transaction."},{"block_number":8694466,"extrinsic_index":6,"extrinsic_hash":"0x04f869c4ab61764d04fa0321eb14bc0f1ea5580f25a99b87ab2bdad659a04aab","signer":null,"call_module":"Ethereum","call_function":"transact","call_args":[{"name":"transaction","type":"TransactionV3","value":{"EIP1559":{"input":[87,210,192,105],"nonce":"116616","value":"0","action":{"Call":"0x6843503d38e063b526c258e4a05b6beb93211056"},"chain_id":964,"gas_limit":"1000000","signature":{"r":"0xae9728fe19e7a303d4dadbb5dd0075e4316efb2368d02d4039a99efd4bc08b65","s":"0x75f47866b7b64028d9eb9e4fd57be033d66e9d452fdcb41f3b066bc185ade1ed","odd_y_parity":false},"access_list":[],"max_fee_per_gas":"20000781999","max_priority_fee_per_gas":"781999","precompile_call":null}}}],"success":true,"fee_tao":null,"tip_tao":null,"observed_at":"2026-07-24T21:49:36.000Z","summary":"Submitted an EVM transaction."},{"block_number":8694466,"extrinsic_index":5,"extrinsic_hash":"0xa9979f83174b4cd79928bfeb14c7b4ff429a4c32162d1e26bafc4dfa0712c1c4","signer":null,"call_module":"Drand","call_function":"write_pulse","call_args":[{"name":"pulses_payload","type":"PulsesPayload<MultiSigner, u32>","value":{"public":{"Sr25519":"0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"},"pulses":[{"round":30708800,"signature":"0xb64e581ef4d58c9bb08209e1773f642d0ccd74d103bde650a1a681cb3210ab3607d5cd4359e1f7bb5f5e4394021c3d41","randomness":"0x32dce5fc1b10bbbebe31ec3493f80124e7eda07e70ce9569433b1d0645cd88eb"}],"block_number":8694465}},{"name":"signature","type":"Option<MultiSignature>","value":{"Sr25519":"0xac756829fa61aad640ceac6efa741f6fb297dbf8a97672d410872e4701ffcb32d97c38415b20d2ad1c88f2ab8c529c44eb4cf8089e481c50f8a978c45fb2ce84"}}],"success":true,"fee_tao":null,"tip_tao":null,"observed_at":"2026-07-24T21:49:36.000Z","summary":"Recorded a randomness beacon pulse (round 30,708,800)."},{"block_number":8694466,"extrinsic_index":4,"extrinsic_hash":"0xd980531c401b833c6c3645c6c442ab3528e26cbfe16e3b3da8093357018be533","signer":null,"call_module":"Drand","call_function":"write_pulse","call_args":[{"name":"pulses_payload","type":"PulsesPayload<MultiSigner, u32>","value":{"public":{"Sr25519":"0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"},"pulses":[{"round":30708799,"signature":"0xa6d828d6349e8b08c7ea86485c4641ab678023f98b99dd2b515e1656db8745cc09cdb824a71cc0a43220433b3ec6b903","randomness":"0xb33d4fdc860f54ee4e47f5e1ef26432a6c34b1d5290cffee86aede9ce045c23a"}],"block_number":8694465}},{"name":"signature","type":"Option<MultiSignature>","value":{"Sr25519":"0x304fa3bdd17248e50a633cff2d7965408ef403a378cc3bdc590d3f8df5b19659e33ecf2ba4a72cc6f12cf639abe980b927081150de78e332b77c2d777cbab289"}}],"success":true,"fee_tao":null,"tip_tao":null,"observed_at":"2026-07-24T21:49:36.000Z","summary":"Recorded a randomness beacon pulse (round 30,708,799)."},{"block_number":8694466,"extrinsic_index":3,"extrinsic_hash":"0x4c9475873a4a21b69bb6c92d061e652f85b0c05a0c66ae4ebc11e6960d228eaa","signer":null,"call_module":"Drand","call_function":"write_pulse","call_args":[{"name":"pulses_payload","type":"PulsesPayload<MultiSigner, u32>","value":{"public":{"Sr25519":"0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"},"pulses":[{"round":30708798,"signature":"0xb633cf1fbb07efd34dddee0ac16f7f021ded4e236b40cf4e442dddd54b2011cd17a73afca50995bb03d45f0b5c72b8e3","randomness":"0xa5455fe2fa3f0e37a1bc760d6c6340b77c894ff58f6158cdbcc85d7d4af11b8e"}],"block_number":8694465}},{"name":"signature","type":"Option<MultiSignature>","value":{"Sr25519":"0xee2985e346b0e6ad7725c92dc6ea81bb616d45b134326f5801cd2dd24914ea7eb341949d12ce943ec932f6597209ec6b9b9719a69d963a964706c4aa23f9f283"}}],"success":true,"fee_tao":null,"tip_tao":null,"observed_at":"2026-07-24T21:49:36.000Z","summary":"Recorded a randomness beacon pulse (round 30,708,798)."},{"block_number":8694466,"extrinsic_index":2,"extrinsic_hash":"0xcded42611e2e46d5f58ffebe1a5f4851d2a39bb6f35a20efe83a1ab6dc4de122","signer":null,"call_module":"Drand","call_function":"write_pulse","call_args":[{"name":"pulses_payload","type":"PulsesPayload<MultiSigner, u32>","value":{"public":{"Sr25519":"0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"},"pulses":[{"round":30708797,"signature":"0xb36d5b204193b20051658e129c2d7d0ce854629ea341fa86d603d8c0d93a7778148fed3abea7ace7e1751915a8226114","randomness":"0x7b2ef439d6f978be967cc40a6ce7b4350f58c712dc301592c9c69e9e30c37994"}],"block_number":8694465}},{"name":"signature","type":"Option<MultiSignature>","value":{"Sr25519":"0x5ccec7f040ac64ff0c91a3428fc32918e5965bf83b3f9716494d38e03e71f06952ae87723f2f6e5ced8c16e79d18bcf2fd7c7a05f5baf2129b25d9ec599cec85"}}],"success":true,"fee_tao":null,"tip_tao":null,"observed_at":"2026-07-24T21:49:36.000Z","summary":"Recorded a randomness beacon pulse (round 30,708,797)."},{"block_number":8694466,"extrinsic_index":1,"extrinsic_hash":"0x9b287a8f9264fa643bad86638c6b83d5d3b79c1df96d64c70fa8f032f9e7d590","signer":null,"call_module":"MevShield","call_function":"announce_next_key","call_args":[{"name":"enc_key","type":"Option<BoundedVec<u8, _>>","value":"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"}],"success":true,"fee_tao":null,"tip_tao":null,"observed_at":"2026-07-24T21:49:36.000Z","summary":"an account announced the next MEV-shield key."},{"block_number":8694466,"extrinsic_index":0,"extrinsic_hash":"0x8f6f3353dfaad678e1a4d8b9189314c537d9f4b30abef7eb0a9fe62fb00d33fc","signer":null,"call_module":"Timestamp","call_function":"set","call_args":[{"name":"now","type":"Compact<u64>","value":1784929776000}],"success":true,"fee_tao":null,"tip_tao":null,"observed_at":"2026-07-24T21:49:36.000Z","summary":"Set the chain timestamp."}]},"meta":{"artifact_path":"/metagraph/blocks/8694466/extrinsics.json","cache":"short","contract_version":"2026-07-03.2","generated_at":"2026-07-24T21:49:36.000Z","published_at":"2026-08-08T08:02:37.618Z","source":"chain-events"}}