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Addresses

Every Robinhood Chain address Fletcher depends on, and how each was verified.

Chain: eip155:4663. Explorer: robinhoodchain.blockscout.com.

Endpoints

Endpoint Current reads Historical state
https://rpc-robinhood.blockmachine.io yes yes
https://rpc.mainnet.chain.robinhood.com yes no
https://robinhood-rpc.publicnode.com yes no
https://robinhood.drpc.org partial no

Only the first serves archive queries. The others reject them with metadata or historical errors that read like an outage, which makes them unusable as an anvil fork source and for any backfill that walks logs. drpc additionally refuses eth_blockNumber and eth_getTransactionCount, so cast calls against it fail before they reach a contract.

All of them rate limit. Fletcher's UI reads series sequentially rather than concurrently for this reason.

Tokenized equities

What Address
Shared Stock implementation 0xb35490d6f9163DE4F80d88dc75c3516eb64C5aE2
Registry / beacon (AccessControlsRegistry) 0xe10b6f6B275de231345c20D14Ab812db62151b00
NVDA 0xd0601CE157Db5bdC3162BbaC2a2C8aF5320D9EEC
SPY 0x117cc2133c37B721F49dE2A7a74833232B3B4C0C

All 254 equities are beacon proxies onto one implementation, so the surface is uniform across every name Fletcher could list, and one upgrade moves all of them.

Verified at block 59,698,078 (10 September 2026), and re-checked on every fork-test run:

NVDA symbol          "NVDA"
NVDA decimals        18
NVDA uiMultiplier    1000775159164630595   (1.000775e18)
NVDA newUIMultiplier 1000775159164630595   (nothing pending)
NVDA effectiveAt     1788998430            (2026-09-10T00:00:30Z)
NVDA tokenPaused     false
NVDA paused          false
NVDA oraclePaused    false

That multiplier read exactly 1e18 on 7 September, so the 7.75 basis point rise is a real distribution captured live. contracts/test/fork/LiveChain.t.sol asserts it classifies as a dividend.

The surface Fletcher reads

Function Why
uiMultiplier() ERC-8056 corporate-action accounting
newUIMultiplier(), effectiveAt() scheduled actions, readable before they land
tokenPaused() this equity is halted
paused() registry-wide halt, all 254 at once
oraclePaused() the issuer's own feed is halted

Note isSynced() does not exist on the token or the registry; both revert. Series.isSynced() is Fletcher's own view over the pause flags and its freeze state, named for the vocabulary the rest of the ecosystem uses.

Quote asset

What Address Decimals
USDG (Global Dollar) 0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168 6

Six, not eighteen. Nothing in Fletcher may assume the quote and the equity share a scale; the fork tests assert the difference.

USDG has no EIP-3009 and no EIP-2612. It is Permit2-only. The Stock tokens do have EIP-2612 permit.

Uniswap

What Address
v3 factory 0x1f7d7550B1b028f7571E69A784071F0205FD2EfA
v3 QuoterV2 0x33e885eD0Ec9bF04EcfB19341582aADCb4c8A9E7
v4 PoolManager 0x8366a39CC670B4001A1121B8F6A443A643e40951
v4 PositionManager 0x58daec3116aae6D93017bAAea7749052E8a04fA7
v4 StateView 0xF3334192D15450CdD385c8B70e03f9A6bD9E673b
v4 Quoter 0x8Dc178eFB8111BB0973Dd9d722ebeFF267c98F94
Permit2 0x000000000022D473030F116dDEE9F6B43aC78BA3
Multicall3 0xcA11bde05977b3631167028862bE2a173976CA11

The v3 factory and v4 PoolManager are asserted to hold code by the fork tests, and the launchpad suite runs against a PoolManager deployed from Uniswap's own source.

A trap inherited from Quiver: Robinhood Chain's UniversalRouter is a modified build whose V2_SWAP_EXACT_IN and V3_SWAP_EXACT_IN inputs take a sixth argument, uint256[] minHopPriceX36. Standard encodings revert with SliceOutOfBounds() (0x3b99b53d). Fletcher does not use UniversalRouter, but anything built beside it should know.

Verified pools

Pair Address Fee Notes
NVDA/USDG 0xd4EB21209C4D6093f80B5b84f5C45cc093EA14a3 0.05% USDG is token0
SPY/USDG 0xa7Bb1AC63BBaB0C44316E6c8C455213441689167 0.05% observation cardinality 1801, so TWAPs work

DepthGate finds the NVDA pool by searching fee tiers against the live v3 factory; the fork test asserts it lands on exactly this address rather than on a hardcoded value.

Launchpads

What Address
PAIR V5 0x8660a7f019c7943b0b0a91b8e39aff3b6db6ae62
Pons V2 0xe33E9E479dF8802cb0866d5d05258bEc4cF62948

Prior art rather than dependencies. Fletcher calls neither. See launchpad.md.

Fletcher

Not deployed. No mainnet addresses exist yet, and the Sherwood oracle it settles against is not deployed either.

Deployment writes them to stdout:

SHERWOOD_ORACLE=0x... forge script script/Deploy.s.sol \
  --root contracts --rpc-url $RHC_RPC_URL --broadcast

FletcherFactory deploys each series with CREATE2 over (stock, strike, tradingDay), so a series address is computable from its terms before it exists via computeSeriesAddress.

How to re-verify any of this

export RHC_RPC_URL=https://rpc-robinhood.blockmachine.io
forge test --root contracts --match-path 'test/fork/*' -vv

Ten tests, pinned to block 59,698,078. They skip with no endpoint set and fail on a broken one. Check the gas figures: test_depthGateMeasuresRealLiquidity burns roughly 465k gas doing real chain reads, and a suite that silently degraded to asserting nothing would show a few thousand.