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Andrew Groot
44 lines
2.1 KiB
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44 lines
2.1 KiB
Markdown
# 2020-05-15 IFP
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layout: specification
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title: Infrastructure Funding Plan Specification
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category: spec
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date: 2020-04-10
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activation: 1589544000
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version: 0.1
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author: Antony Zegers
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## Infrastructure Funding Plan
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The purpose of the Infrastructure Funding Plan (IFP) is to provide funding to development projects working on common Bitcoin Cash infrastructure. If activated, it enforces that 5% of the block reward is spent to one of a set of specified addresses.
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## IFP Destination Addresses
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The IFP contains four destination addresses, each associated with a separate BIP 9 activation `bit` as follows:
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| Name | Destination Address | BIP 9 `bit` |
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| ---------------------------- | ------------------------------------------ | ----------- |
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| MinerFundDestination | pqv2r67sgz3qumufap3h2uuj0zfmnzuv8vqhqfgddk | 0 |
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| MinerABCDestination | qzvz0es48sf8wrqy7kn5j5cugka95ztskcanc9laay | 1 |
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| MinerBCHDDestination | qrhea03074073ff3zv9whh0nggxc7k03ssh8jv9mkx | 2 |
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| MinerElectronCashDestination | pp8d685l8kecnmtyy52ndvq625arz2qwmu42qeeqek | 3 |
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## Activation
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Activation is triggered separately for each destination address via [BIP 9](https://github.com/bitcoin/bips/blob/master/bip-0009.mediawiki), with the following parameters:
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* `activation threshold` is set to 1344 (which is ~66.6% of the 2016 block retarget periods)
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* `starttime` is set to 1573819200 (Nov 15, 2019 12:00:00 UTC)
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* `timeout` is set to 1589544000 (May 15, 2020 12:00:00 UTC ** note:** this is the same time as the May 15, 2020 upgrade activation)
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* `bit` is set according to the table above.
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## Enforcement
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If activated, the IFP enforcement begins once the 15th May 2020 upgrade is activated.
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If one or more IFP destination addresses are activated, then the coinbase transaction in each block must contain an output sending 5% of the block reward to one of the activated addresses.
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## References
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[1] [BIP 9](https://github.com/bitcoin/bips/blob/master/bip-0009.mediawiki)
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[2] [Sample implementation](https://reviews.bitcoinabc.org/D5282) |