Blumbus Testnet Transaction Hash (Txhash) Details

This is Testnet block explorer of Blumbus Testnet

Transaction Details

Overview State

Transaction Hash: 947CA296D520EE8893E060872832181DAE32AB0177D5AF4C627F81DD32A4320D

Status:

Success

Block:

5646795 37,387 Blocks Confirmations

Time:

2 days ago (2025-01-12 13:22:59 UTC)

Action:

Value:

0 DYM (0 USD)

You are viewing a Testnet transaction

DYM price:

0 USD / DYM

Gas limit & Usage by Txn:

733,935 | 457,187 (62.29%)

Fee:

0.0146787 DYM (0 USD)

Fee paid by:

0x989721a433ebd4f6e49dc1687a3316f28b6ba053 0x989721a433ebd4f6e49dc1687a3316f28b6ba053

Memo:

rly(v0.3.4-v2.5.2-relayer-canon-7-rc)

Index

Value

Type

0.0

IBC Update Client ibc.core.client.v1.MsgUpdateClient

👉 Explain here

{"@type": "/ibc.core.client.v1.MsgUpdateClient", "signer": "dym1nztjrfpna020deyac9585vck729khgznek4pvc", "client_id": "07-tendermint-102", "client_message": {"@type": "/ibc.lightclients.tendermint.v1.Header", "signed_header": {"commit": {"round": 0, "height": "78751", "block_id": {"hash": "LBP3wH+0YxpPxeoT52KpurUtnUL4BYome7NdONl1K8g=", "part_set_header": {"hash": "LBP3wH+0YxpPxeoT52KpurUtnUL4BYome7NdONl1K8g=", "total": 1}}, "signatures": [{"signature": "eN+/FYvmqh/zxR1zWCRlWGydIVzdRkooWyNVmiJSo3yk2eu9c41qZvDEZbwBpFRB46Ws+KcAg9P1FbzuI8TUDQ==", "timestamp": "2025-01-12T13:23:04.464508161Z", "block_id_flag": "BLOCK_ID_FLAG_COMMIT", "validator_address": "xl/CEWwkhP/r105V8i1sk/9mauQ="}]}, "header": {"time": "2025-01-12T13:23:04.464479257Z", "height": "78751", "version": {"app": "0", "block": "11"}, "app_hash": "g3ke9qkQHep20vnk4VNdD6/3GnBo0kGxDykq8xvgFBU=", "chain_id": "odysphere_654689-1", "data_hash": "SpHo33So3FgONA+/Q9iyvnBM/cjihP8uJMEF+xNoTbQ=", "evidence_hash": "Tlm/JzcrEwS8CxN9G+nVZq1YsVS2prV3ivf0FLHUuEw=", "last_block_id": {"hash": "oQLddamVpJtTaIKqNWNuv2/FmUY3e88vmiE88iFfiMQ=", "part_set_header": {"hash": "oQLddamVpJtTaIKqNWNuv2/FmUY3e88vmiE88iFfiMQ=", "total": 1}}, "consensus_hash": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=", "validators_hash": "T0B3v7NyM4SUK8QZ+H/2sJdgJk4UHXDWlcQ4kNZ43us=", "last_commit_hash": "qkC4jcsK0yDMrvMbitdq1eJ54nTQlf47gNR/ieheI5Y=", "proposer_address": "xl/CEWwkhP/r105V8i1sk/9mauQ=", "last_results_hash": "GTpVfbGp4Ml21EmB5cSdfYQVs9hlkoCMHylyts39Br4=", "next_validators_hash": "T0B3v7NyM4SUK8QZ+H/2sJdgJk4UHXDWlcQ4kNZ43us="}}, "validator_set": {"proposer": {"address": "xl/CEWwkhP/r105V8i1sk/9mauQ=", "pub_key": {"ed25519": "qUYw6uZ6dnMPunSb/y4/QiiXOtpkEYvBfKtsn7Pv03o="}, "voting_power": "1", "proposer_priority": "0"}, "validators": [{"address": "xl/CEWwkhP/r105V8i1sk/9mauQ=", "pub_key": {"ed25519": "qUYw6uZ6dnMPunSb/y4/QiiXOtpkEYvBfKtsn7Pv03o="}, "voting_power": "1", "proposer_priority": "0"}], "total_voting_power": "0"}, "trusted_height": {"revision_height": "78743", "revision_number": "1"}, "trusted_validators": {"proposer": {"address": "xl/CEWwkhP/r105V8i1sk/9mauQ=", "pub_key": {"ed25519": "qUYw6uZ6dnMPunSb/y4/QiiXOtpkEYvBfKtsn7Pv03o="}, "voting_power": "1", "proposer_priority": "0"}, "validators": [{"address": "xl/CEWwkhP/r105V8i1sk/9mauQ=", "pub_key": {"ed25519": "qUYw6uZ6dnMPunSb/y4/QiiXOtpkEYvBfKtsn7Pv03o="}, "voting_power": "1", "proposer_priority": "0"}], "total_voting_power": "0"}}}

/ibc.core.client.v1.MsgUpdateClient

dym1nztjrfpna020deyac9585vck729khgznek4pvc

07-tendermint-102

07-tendermint

1-78751

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

ibc_client

0.0

IBC Acknowledgement (seq_no 8570) ibc.core.channel.v1.MsgAcknowledgement

👉 Explain here

Transfer	B7A3F54580391AB9D1E752205DA923841AFDDE94663BB74AF8A2EC3B68B04874
to odysphere_654689-1
v
Acknowledgement	947CA296D520EE8893E060872832181DAE32AB0177D5AF4C627F81DD32A4320D

{"@type": "/ibc.core.channel.v1.MsgAcknowledgement", "packet": {"data": "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", "sequence": "8570", "source_port": "transfer", "source_channel": "channel-54", "timeout_height": {"revision_height": "1", "revision_number": "9999"}, "destination_port": "transfer", "timeout_timestamp": "1736688700000000000", "destination_channel": "channel-0"}, "signer": "dym1nztjrfpna020deyac9585vck729khgznek4pvc", "proof_acked": "CtYGCtMGCjVhY2tzL3BvcnRzL3RyYW5zZmVyL2NoYW5uZWxzL2NoYW5uZWwtMC9zZXF1ZW5jZXMvODU3MBIgCPdVftUYJv4Y2EUSvyTsdQAe268hI6R333KgqfNkCnwaDQgBGAEgASoFAAK8zgkiKwgBEicCBLzOCSAJS9wz0fUkQvPMkcHuPN1gHfiBQQt77j8Px7b4SacWXSAiLQgBEgYECLzOCSAaISC8JwsMIobh9lm8o3XLYTVBCHCheqI5KpnGCUzzoV/E9yItCAESBgYMvM4JIBohIAveryMu8I/KMPHTxUXl+66N1MusKX4h6V10hXUamYJgIi0IARIGCBi8zgkgGiEghbCXuDgughmWGqK34blNSlHvUh6SUxNLz931ZHP0qWoiKwgBEicMRLzOCSArEXUs+4TDzJpLeGBIIxf6cBdsKnVqp866DwCLBFUlZyAiLQgBEgYOcLzOCSAaISCrvZcbQ/Bk71GZaeNCivix7L8msBbrdMwkOAHAjvWD4SIsCAESKBDgAbzOCSBkzQ+BKmTz/XZr/zcDFFgjolyH8vG2wzu8ArdQYqmz4yAiLAgBEigSpgO8zgkgjo/UohygPvvjb6IhCumve9bFt7FrA1+lbJ7aTm5ObcIgIiwIARIoFJwFvM4JIBEWc5vQNqzv5Zzyu0rERQt3hteCr9d8CWgcYWlVN+XhICIuCAESBxaKCrzOCSAaISB8R2gD+EaMaCRFjQZW2V3vzpFDvPIPwBFsRoR8U0TDryIsCAESKBiqEbzOCSBJiynicAZ9+4bjahqCSxQr3pczm78cycpfy809svbg5SAiLAgBEigaph28zgkgTqJMcmQuePGwzOmaDm4cvdoD/IIAbh9VWyiqUC1XiskgIiwIARIoHPwxvM4JIPrwufx5rZWkyidDo2U39vaSrNj49ZUHnFwoxX4+dujjICItCAESKR7kiAG8zgkgpdt8eu+5AWs58OZfp9Fm60Jmadk4ybcgSQBptuIBM48gIi8IARIIIKTjA7zOCSAaISDU3MjBp1IhE42uTwF0toNh8oL3enCMUcMZMkITHkmgdCIvCAESCCLy5gW8zgkgGiEgPM3zUKuCFwgjjw/jasTZJ9ZCvdFEAqjzF5Ndq+pyn50K/AEK+QEKA2liYxIgjmnVV94x/34JcGpLqnbfXXKWH+46V3aLidSr64Wl+RsaCQgBGAEgASoBACIlCAESIQGZwtZGtj4v3LYRLQmdNUsRJQvlnPWFEKeTSGrkYvNrkiInCAESAQEaIIc+/8YyZjccvsNI2Ed/sdeGQ8ARINKV5KhsdT5V8FluIiUIARIhAchVxLtI265AvaT8c0B0Vt6YH6sYyWcS8XhaXjtvjPB4IiUIARIhAay2yEPH9dC5Bx6l2JxAS3sULfNO53QdgaWHy/bvOdp7IicIARIBARog49L0mdaDNV/FJUpl9MWBG9welJhFOA+gKfQXRBaQfFg=", "proof_height": {"revision_height": "78751", "revision_number": "1"}, "acknowledgement": "eyJyZXN1bHQiOiJBUT09In0="}

{"denom":"adym","amount":"9000000000000000000","sender":"dym1spawtw584434c8w3c768xhtufcxukuhf7gpvnd","receiver":"ody1spawtw584434c8w3c768xhtufcxukuhf0ejtyn","memo":"{\"denom_metadata\":{\"description\":\"Native protocol token of Dymension: DYM (adym)\",\"denom_units\":[{\"denom\":\"adym\"},{\"denom\":\"DYM\",\"exponent\":18}],\"base\":\"adym\",\"display\":\"DYM\",\"name\":\"DYM\",\"symbol\":\"DYM\"}}"}

/ibc.core.channel.v1.MsgAcknowledgement

dym1nztjrfpna020deyac9585vck729khgznek4pvc

9999-1

1736688700000000000

8570

transfer

channel-54

transfer

channel-0

ORDER_UNORDERED

connection-66

ibc_channel

odysphere_654689-1

PENDING

transfer

channel-54

transfer

channel-0

8570

78751

ON_ACK

success

adym

9000000000000000000

dym1spawtw584434c8w3c768xhtufcxukuhf7gpvnd

ody1spawtw584434c8w3c768xhtufcxukuhf0ejtyn

{"denom_metadata":{"description":"Native protocol token of Dymension: DYM (adym)","denom_units":[{"denom":"adym"},{"denom":"DYM","exponent":18}],"base":"adym","display":"DYM","name":"DYM","symbol":"DYM"}}

0.0

IBC Acknowledgement (seq_no 8571) ibc.core.channel.v1.MsgAcknowledgement

👉 Explain here

Transfer	BFB2C473795DE5EB3ADD5C1F14E632410F5F79EE97769F65152AA79E1A393EEF
to odysphere_654689-1
v
Acknowledgement	947CA296D520EE8893E060872832181DAE32AB0177D5AF4C627F81DD32A4320D

{"@type": "/ibc.core.channel.v1.MsgAcknowledgement", "packet": {"data": "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", "sequence": "8571", "source_port": "transfer", "source_channel": "channel-54", "timeout_height": {"revision_height": "1", "revision_number": "9999"}, "destination_port": "transfer", "timeout_timestamp": "1736688700000000000", "destination_channel": "channel-0"}, "signer": "dym1nztjrfpna020deyac9585vck729khgznek4pvc", "proof_acked": "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", "proof_height": {"revision_height": "78751", "revision_number": "1"}, "acknowledgement": "eyJyZXN1bHQiOiJBUT09In0="}

{"denom":"adym","amount":"9000000000000000000","sender":"dym1wwx03vj4k6ev9qg4ypaqy2vhy66rn8f4uhcj0l","receiver":"ody1wwx03vj4k6ev9qg4ypaqy2vhy66rn8f4dxt4cp","memo":"{\"denom_metadata\":{\"description\":\"Native protocol token of Dymension: DYM (adym)\",\"denom_units\":[{\"denom\":\"adym\"},{\"denom\":\"DYM\",\"exponent\":18}],\"base\":\"adym\",\"display\":\"DYM\",\"name\":\"DYM\",\"symbol\":\"DYM\"}}"}

/ibc.core.channel.v1.MsgAcknowledgement

dym1nztjrfpna020deyac9585vck729khgznek4pvc

9999-1

1736688700000000000

8571

transfer

channel-54

transfer

channel-0

ORDER_UNORDERED

connection-66

ibc_channel

odysphere_654689-1

PENDING

transfer

channel-54

transfer

channel-0

8571

78751

ON_ACK

success

adym

9000000000000000000

dym1wwx03vj4k6ev9qg4ypaqy2vhy66rn8f4uhcj0l

ody1wwx03vj4k6ev9qg4ypaqy2vhy66rn8f4dxt4cp

Advanced

Summary of state change recorded in the end of block

(therefore may contains addresses other than appeared within this transaction)

Address	Denom	Before	After
0x603871c2ddd41c26ee77495e2e31e6de7f9957e0 0x603871c2ddd41c26ee77495e2e31e6de7f9957e0	DYM	0	0
0x93354845030274cd4bf1686abd60ab28ec52e1a7 0x93354845030274cd4bf1686abd60ab28ec52e1a7	DYM	79,016,160.969162159879812444	79,016,174.628360571619817957
0x989721a433ebd4f6e49dc1687a3316f28b6ba053 0x989721a433ebd4f6e49dc1687a3316f28b6ba053	DYM	906.79680498	906.78212628
0xb0fec94f370824b5f4eb80f212d75caf125b9297 0xb0fec94f370824b5f4eb80f212d75caf125b9297	DYM	900,810.0	900,800.0
0xb39e150c0000d902e5aa8e7cfc2c36485a0292d3 0xb39e150c0000d902e5aa8e7cfc2c36485a0292d3	DYM	0.99536122	10.99536122
0xdc6f17bbec824fff8f86587966b2047db6ab7367 0xdc6f17bbec824fff8f86587966b2047db6ab7367	DYM	0	0
0xf1829676db577682e944fc3493d451b67ff3e29f 0xf1829676db577682e944fc3493d451b67ff3e29f	DYM	0	0.0146787

message > action

message > sender

update_client > client_id

update_client > client_type

update_client > consensus_height

update_client > consensus_heights

update_client > header

message > module

message > action

message > sender

acknowledge_packet > packet_timeout_height

acknowledge_packet > packet_timeout_timestamp

acknowledge_packet > packet_sequence

acknowledge_packet > packet_src_port

acknowledge_packet > packet_src_channel

acknowledge_packet > packet_dst_port

acknowledge_packet > packet_dst_channel

acknowledge_packet > packet_channel_ordering

acknowledge_packet > packet_connection

acknowledge_packet > connection_id

message > module

delayedack > rollapp_id

delayedack > status

delayedack > source_port

delayedack > source_channel

delayedack > destination_port

delayedack > destination_channel

delayedack > packet_sequence

delayedack > proof_height

delayedack > type

delayedack > acknowledgement

delayedack > packet_data_denom

delayedack > packet_data_amount

delayedack > packet_data_sender

delayedack > packet_data_receiver

delayedack > packet_data_memo

message > action

message > sender

acknowledge_packet > packet_timeout_height

acknowledge_packet > packet_timeout_timestamp

acknowledge_packet > packet_sequence

acknowledge_packet > packet_src_port

acknowledge_packet > packet_src_channel

acknowledge_packet > packet_dst_port

acknowledge_packet > packet_dst_channel

acknowledge_packet > packet_channel_ordering

acknowledge_packet > packet_connection

acknowledge_packet > connection_id

message > module

delayedack > rollapp_id

delayedack > status

delayedack > source_port

delayedack > source_channel

delayedack > destination_port

delayedack > destination_channel

delayedack > packet_sequence

delayedack > proof_height

delayedack > type

delayedack > acknowledgement

delayedack > packet_data_denom

delayedack > packet_data_amount

delayedack > packet_data_sender

delayedack > packet_data_receiver

delayedack > packet_data_memo