blockchain: allow optimistic block insertion in blockchain#3584

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g11tech wants to merge 10 commits intomasterfrom

extend-blockchain2

Commits on Aug 26, 2024

refactor the entire approach to simply allow building normal index as optimistic without moving head but track completion by total difficulty index
g11tech
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Commits on Sep 2, 2024

modify putopts to be more understanable and add the optimistic block insertion test
g11tech
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Commits on Sep 3, 2024

add 4444 and optimistic spec debug and get it working
g11tech
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Commits on Sep 14, 2024

add 4444 and optimisitc examples
g11tech
committed

Commits on Sep 17, 2024

remove skipping validation
g11tech
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