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Fix sub indexes into contract design note section (9)
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@ -646,7 +646,7 @@ reveal(100, "mySecret");
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// All data to start of time is stored in blockchain, so
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// All data to start of time is stored in blockchain, so
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// anyone can observe all previous data and changes
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// anyone can observe all previous data and changes
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// E. Oracles and External Data
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// D. Oracles and External Data
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// Oracles are ways to interact with your smart contracts outside the blockchain.
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// Oracles are ways to interact with your smart contracts outside the blockchain.
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// They are used to get data from the real world, send post requests, to the real world
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// They are used to get data from the real world, send post requests, to the real world
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// or vise versa.
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// or vise versa.
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@ -671,12 +671,12 @@ reveal(100, "mySecret");
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// Setting up oracle networks yourself
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// Setting up oracle networks yourself
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// D. Cron Job
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// E. Cron Job
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// Contracts must be manually called to handle time-based scheduling; can create external
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// Contracts must be manually called to handle time-based scheduling; can create external
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// code to regularly ping, or provide incentives (ether) for others to
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// code to regularly ping, or provide incentives (ether) for others to
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//
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//
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// E. Observer Pattern
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// F. Observer Pattern
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// An Observer Pattern lets you register as a subscriber and
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// An Observer Pattern lets you register as a subscriber and
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// register a function which is called by the oracle (note, the oracle pays
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// register a function which is called by the oracle (note, the oracle pays
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// for this action to be run)
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// for this action to be run)
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@ -714,7 +714,7 @@ contract SomeOracle {
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// Now, your client contract can addSubscriber by importing SomeOracleCallback
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// Now, your client contract can addSubscriber by importing SomeOracleCallback
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// and registering with Some Oracle
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// and registering with Some Oracle
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// F. State machines
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// G. State machines
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// see example below for State enum and inState modifier
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// see example below for State enum and inState modifier
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```
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```
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