Unexpected deposit event duplicates after privatenet node 0.9.12 update.

[bors2908]

Hi!

Recently I've been testing an 0.9.12 node update and found a strange issue with api.query.system.events.at()

If I am sending a multisig transaction and trying to monitor respective events, API returns new unexpected ones:
duplicates

• second Deposit balances event with the same content
• new Deposit balances event which has the same amount as the Deposit treasury event

and unknown events

• new Deposit balances event with unknown amount (does not include as a fee) and main cosigner address in it.

which were not the case with 0.9.11 node. Issue was confirmed on 6.4.1 and 6.4.2 API versions. Events examples below.

Thank you!

Example events list in 0.9.11:

After 1st multisig tx

{
phase: { ApplyExtrinsic: '2' },
event: {
method: 'Deposit',
section: 'treasury',
index: '0x1306',
data: [ '192,779,719' ]
},
topics: []
}
{
phase: { ApplyExtrinsic: '2' },
event: {
method: 'Deposit',
section: 'balances',
index: '0x0504',
data: [
'15Jbynf3EcRqdHV1K14LXYh7PQFTbp5wiXfrc4kbMReR9KxA',
'48,194,930'
]
},
topics: []
}

After 2nd multisig tx

{
phase: { ApplyExtrinsic: '2' },
event: {
method: 'Deposit',
section: 'treasury',
index: '0x1306',
data: [ '264,353,161' ]
},
topics: []
}
{
phase: { ApplyExtrinsic: '2' },
event: {
method: 'Deposit',
section: 'balances',
index: '0x0504',
data: [
'15Jbynf3EcRqdHV1K14LXYh7PQFTbp5wiXfrc4kbMReR9KxA',
'66,088,291'
]
},
topics: []
}

0.9.12

After 1st multisig tx

{
phase: { ApplyExtrinsic: '2' },
event: {
method: 'Deposit',
section: 'balances',
index: '0x0507',
data: [
'14in5CMUV7RnkDUQzPtPSJEqpo3xQ2aQe8u4GFcfzBCforJ3',
'76,166,438'
]
},
topics: []
}
{
phase: { ApplyExtrinsic: '2' },
event: {
method: 'Deposit',
section: 'balances',
index: '0x0507',
data: [
'13UVJyLnbVp9RBZYFwFGyDvVd1y27Tt8tkntv6Q7JVPhFsTB',
'192,377,849'
]
},
topics: []
}
{
phase: { ApplyExtrinsic: '2' },
event: {
method: 'Deposit',
section: 'treasury',
index: '0x1306',
data: [ '192,377,849' ]
},
topics: []
}
{
phase: { ApplyExtrinsic: '2' },
event: {
method: 'Deposit',
section: 'balances',
index: '0x0507',
data: [
'15Jbynf3EcRqdHV1K14LXYh7PQFTbp5wiXfrc4kbMReR9KxA',
'48,094,463'
]
},
topics: []
}
{
phase: { ApplyExtrinsic: '2' },
event: {
method: 'Deposit',
section: 'balances',
index: '0x0507',
data: [
'15Jbynf3EcRqdHV1K14LXYh7PQFTbp5wiXfrc4kbMReR9KxA',
'48,094,463'
]
},
topics: []
}

After 2nd multisig tx

{
phase: { ApplyExtrinsic: '2' },
event: {
method: 'Deposit',
section: 'balances',
index: '0x0507',
data: [
'13UVJyLnbVp9RBZYFwFGyDvVd1y27Tt8tkntv6Q7JVPhFsTB',
'263,868,060'
]
},
topics: []
}
{
phase: { ApplyExtrinsic: '2' },
event: {
method: 'Deposit',
section: 'treasury',
index: '0x1306',
data: [ '263,868,060' ]
},
topics: []
}
{
phase: { ApplyExtrinsic: '2' },
event: {
method: 'Deposit',
section: 'balances',
index: '0x0507',
data: [
'15Jbynf3EcRqdHV1K14LXYh7PQFTbp5wiXfrc4kbMReR9KxA',
'65,967,016'
]
},
topics: []
}
{
phase: { ApplyExtrinsic: '2' },
event: {
method: 'Deposit',
section: 'balances',
index: '0x0507',
data: [
'15Jbynf3EcRqdHV1K14LXYh7PQFTbp5wiXfrc4kbMReR9KxA',
'65,967,016'
]
},
topics: []
}

[jacogr]

The API simply decodes what the Node supplies, nothing more.

[jacogr]

Substrate tracking paritytech/polkadot#4133

[polkadot-js-bot]

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