Blumbus Testnet Transaction Hash (Txhash) Details

This is Testnet block explorer of Blumbus Testnet

Transaction Details

Overview State

Transaction Hash: 3F96651C0E944AABF1D1AF0894A42373CC199D2641B05112BBA9C4423292E461

Status:

Success

Block:

5692051 17,599 Blocks Confirmations

Time:

1 days ago (2025-01-15 10:46:16 UTC)

Action:

Value:

0 DYM (0 USD)

You are viewing a Testnet transaction

DYM price:

0 USD / DYM

Gas limit & Usage by Txn:

784,050 | 490,597 (62.57%)

Fee:

0.015681 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": "157200", "block_id": {"hash": "o8G8cC3y21iDQKMnlDnzpYzd03n93H8jWLFOHKFNKUg=", "part_set_header": {"hash": "o8G8cC3y21iDQKMnlDnzpYzd03n93H8jWLFOHKFNKUg=", "total": 1}}, "signatures": [{"signature": "q938XwbbpOYU4E3JgTiSRyh6yXu4GTDSorwSnILtVFDm7ACcBJrJ4q+2xWqLijV/ePVpAEPBqDs/H2qbqSgJDw==", "timestamp": "2025-01-15T10:46:17.602614124Z", "block_id_flag": "BLOCK_ID_FLAG_COMMIT", "validator_address": "xl/CEWwkhP/r105V8i1sk/9mauQ="}]}, "header": {"time": "2025-01-15T10:46:17.602579309Z", "height": "157200", "version": {"app": "0", "block": "11"}, "app_hash": "W3K0qWNKQSQoCBChWQGmmR14YDtYe6FNLHbBWmOva08=", "chain_id": "odysphere_654689-1", "data_hash": "47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU=", "evidence_hash": "Tlm/JzcrEwS8CxN9G+nVZq1YsVS2prV3ivf0FLHUuEw=", "last_block_id": {"hash": "RAjfs5rty+5uK5IbaDoSRS5OziBoBWD0MSDaJULO/l4=", "part_set_header": {"hash": "RAjfs5rty+5uK5IbaDoSRS5OziBoBWD0MSDaJULO/l4=", "total": 1}}, "consensus_hash": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=", "validators_hash": "T0B3v7NyM4SUK8QZ+H/2sJdgJk4UHXDWlcQ4kNZ43us=", "last_commit_hash": "CfBkRKXowRjW1Zcw95c6FAPLNYjtcck33hjhC/8c0Oo=", "proposer_address": "xl/CEWwkhP/r105V8i1sk/9mauQ=", "last_results_hash": "Yu7tP2d5lwn4a8fNHcE3SwRe9YhbNNZDbV8aphLWAzc=", "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": "157196", "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

1-157200

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

ibc_client

0.0

IBC Acknowledgement (seq_no 17247) ibc.core.channel.v1.MsgAcknowledgement

👉 Explain here

Transfer	FEB4F5B2F3FF05F7955AAA3B6433848389D63CA2DBFDA19DA166E1F1B0688533
to odysphere_654689-1
v
Acknowledgement	3F96651C0E944AABF1D1AF0894A42373CC199D2641B05112BBA9C4423292E461

{"@type": "/ibc.core.channel.v1.MsgAcknowledgement", "packet": {"data": "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", "sequence": "17247", "source_port": "transfer", "source_channel": "channel-54", "timeout_height": {"revision_height": "1", "revision_number": "9999"}, "destination_port": "transfer", "timeout_timestamp": "1736938400000000000", "destination_channel": "channel-0"}, "signer": "dym1nztjrfpna020deyac9585vck729khgznek4pvc", "proof_acked": "CrMHCrAHCjZhY2tzL3BvcnRzL3RyYW5zZmVyL2NoYW5uZWxzL2NoYW5uZWwtMC9zZXF1ZW5jZXMvMTcyNDcSIAj3VX7VGCb+GNhFEr8k7HUAHtuvISOkd99yoKnzZAp8Gg0IARgBIAEqBQACnpgTIi0IARIGAgSemBMgGiEgvO/lvuGC5X7wX0q4nFrZBgbuOjnpW2+dcmnR2THvVg4iKwgBEicEBp6YEyCqlVYdyBeUmUQDLaQjCL+ksEdV6y3waWJ/59msm7bj4yAiKwgBEicGDp6YEyBo/yFZK9staGJxqlE55cfpNp5/3SaMhskTVa4ytGBPkiAiKwgBEicIFp6YEyCQhRR78OkKXuVoMB2EoHnongkkv9rkWA7+YpPGylY3xiAiKwgBEicKJp6YEyDIzx4RVfy9So8lKzjJzZIsH9oXYMaSFSKA3QC0Xug8TSAiKwgBEicMQJ6YEyARV49jMG34Gb9fX94xPI53tFu+xdVwSMF99klcUAsPDiAiKwgBEicObp6YEyB1eH/mluR+U6TsgRqvBNvamsvqqHcFHKpjMFyyJ4TfqSAiLggBEgcQugGemBMgGiEgQTJgvm3Fr1mbvu97LzrooFVZe2dd65wjOqBJ27uxtC4iLggBEgcSqgKemBMgGiEgdV8qQUKBTeA08UrTpch9UzyDcDVJEribruyLqhLbWAMiLggBEgcU+AOemBMgGiEgsIx5iqJE8uyys+k8pyQAyngwoKkk5eP/eVYsZtFAVj8iLAgBEigWtAeemBMg+eldcgvwCYZGOqOi6RKSEZepNgtvkBPTdfgrNJo9O+EgIiwIARIoGKgNnpgTIN+rNjEUUMG6+3rLJORme9gHDQqHULlseMgVFwAMcvq4ICIsCAESKBrkGJ6YEyCbATY69sEcvW/Wd2arwxluohkCB1oln5uQEKGpyg9wByAiLAgBEigc+C2emBMgYqS0Avwmkee///57q7D+XNyW9vtGyh9VBvuCc6Yvl+MgIi0IARIpHviAAZ6YEyAl6rXIqqogDh9V4rPOuU7iDrVkIgFYbv2C8Xov1UBC2yAiLwgBEgggqpACnpgTIBohIDUJ24BQmKmPO4j94f1kg2fHrKkL8xr5rAy4LpCtbxhSIi8IARIIIujTB56YEyAaISC8aII1UviD0FHu7Ey1TFV/bnnMmWusDVRJQaYv6xm+DyIvCAESCCSK4wuemBMgGiEgxItJrMgP418oEh+Zk1f2Ayss0nQh34xHirI3SKPfYbgK/AEK+QEKA2liYxIgIupf02tgi4t2BUDa/EgGczd5CXtKRPinEOOpTTwhAUoaCQgBGAEgASoBACIlCAESIQGZwtZGtj4v3LYRLQmdNUsRJQvlnPWFEKeTSGrkYvNrkiInCAESAQEaIIc+/8YyZjccvsNI2Ed/sdeGQ8ARINKV5KhsdT5V8FluIiUIARIhAUNx1zy0mJbXmJiwMbaiLEoQ9lEyRX5JvE9wSMq9PgRuIiUIARIhAVVfy5U9l6m2lhFyWvHumqNzGMYip37bvrkqDIpfChDlIicIARIBARogbf0LNY02IajWpGnWzn8IIxTDm+F4nKaXr2kgASm/g/o=", "proof_height": {"revision_height": "157200", "revision_number": "1"}, "acknowledgement": "eyJyZXN1bHQiOiJBUT09In0="}

{"denom":"adym","amount":"31000000000000000000","sender":"dym10xfutwc38fl4yfjm8wgy0ppnq6nnc24aucpcqs","receiver":"ody10xfutwc38fl4yfjm8wgy0ppnq6nnc24adfjlhw","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

1736938400000000000

17247

transfer

channel-54

transfer

channel-0

ORDER_UNORDERED

connection-66

ibc_channel

odysphere_654689-1

PENDING

transfer

channel-54

transfer

channel-0

17247

157200

ON_ACK

success

adym

31000000000000000000

dym10xfutwc38fl4yfjm8wgy0ppnq6nnc24aucpcqs

ody10xfutwc38fl4yfjm8wgy0ppnq6nnc24adfjlhw

{"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 17248) ibc.core.channel.v1.MsgAcknowledgement

👉 Explain here

Transfer	0685B8233D19E41FE449BCAE28F8B46DFB3A000359F5EBF26B11C163ABA9E447
to odysphere_654689-1
v
Acknowledgement	3F96651C0E944AABF1D1AF0894A42373CC199D2641B05112BBA9C4423292E461

{"@type": "/ibc.core.channel.v1.MsgAcknowledgement", "packet": {"data": "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", "sequence": "17248", "source_port": "transfer", "source_channel": "channel-54", "timeout_height": {"revision_height": "1", "revision_number": "9999"}, "destination_port": "transfer", "timeout_timestamp": "1736938500000000000", "destination_channel": "channel-0"}, "signer": "dym1nztjrfpna020deyac9585vck729khgznek4pvc", "proof_acked": "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", "proof_height": {"revision_height": "157200", "revision_number": "1"}, "acknowledgement": "eyJyZXN1bHQiOiJBUT09In0="}

{"denom":"adym","amount":"9995364540000000000","sender":"dym16ncx2f2yarp4nqwazq4sjrjtgut3fq8hmku56x","receiver":"ody16ncx2f2yarp4nqwazq4sjrjtgut3fq8h280ndc","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

1736938500000000000

17248

transfer

channel-54

transfer

channel-0

ORDER_UNORDERED

connection-66

ibc_channel

odysphere_654689-1

PENDING

transfer

channel-54

transfer

channel-0

17248

157200

ON_ACK

success

adym

9995364540000000000

dym16ncx2f2yarp4nqwazq4sjrjtgut3fq8hmku56x

ody16ncx2f2yarp4nqwazq4sjrjtgut3fq8h280ndc

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
0x93354845030274cd4bf1686abd60ab28ec52e1a7 0x93354845030274cd4bf1686abd60ab28ec52e1a7	DYM	79,634,716.195577479375032357	79,634,729.862606182696635601
0x989721a433ebd4f6e49dc1687a3316f28b6ba053 0x989721a433ebd4f6e49dc1687a3316f28b6ba053	DYM	807.92904518	807.91336418
0xdc6f17bbec824fff8f86587966b2047db6ab7367 0xdc6f17bbec824fff8f86587966b2047db6ab7367	DYM	0	0
0xf1829676db577682e944fc3493d451b67ff3e29f 0xf1829676db577682e944fc3493d451b67ff3e29f	DYM	0	0.015681

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