29 lines
1.8 KiB
Markdown
29 lines
1.8 KiB
Markdown
<!-- START doctoc generated TOC please keep comment here to allow auto update -->
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**Table of Contents** *generated with [DocToc](https://github.com/thlorenz/doctoc)*
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- [The Merge -- Client Settings](#the-merge----client-settings)
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- [Override terminal total difficulty](#override-terminal-total-difficulty)
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- [Override terminal block hash](#override-terminal-block-hash)
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<!-- END doctoc generated TOC please keep comment here to allow auto update -->
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# The Merge -- Client Settings
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**Notice**: This document is a work-in-progress for researchers and implementers.
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This document specifies configurable settings that clients must implement for the Merge.
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### Override terminal total difficulty
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To coordinate manual overrides to [`TERMINAL_TOTAL_DIFFICULTY`](./beacon-chain.md#Transition-settings) parameter, clients must provide `--terminal-total-difficulty-override` as a configurable setting. The value provided by this setting must take precedence over pre-configured `TERMINAL_TOTAL_DIFFICULTY` parameter. Clients should accept the setting as a decimal value (i.e., *not* hexadecimal).
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Except under exceptional scenarios, this setting is expected to not be used. Sufficient warning to the user about this exceptional configurable setting should be provided.
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### Override terminal block hash
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To allow for transition coordination around a specific PoW block, clients must also provide `--terminal-block-hash-override` as a configurable setting.
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The value provided by this setting takes precedence over the pre-configured `TERMINAL_BLOCK_HASH` parameter.
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Except under exceptional scenarios, this setting is expected to not be used. Sufficient warning to the user about this exceptional configurable setting should be provided.
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